1. 五年级数学下册脱式计算题.
30.8÷[14-(9.85+1.07)]
[60-(9.5+28.9)]÷0.18
2.881÷0.43-0.24×3.5
20×[(2.44-1.8)÷0.4+0.15]
28-(3.4+1.25×2.4)
2.55×7.1+2.45×7.1
777×9+1111×3
0.8×〔15.5-(3.21+5.79)〕
(31.8+3.2×4)÷5
31.5×4÷(6+3)
0.64×25×7.8+2.2
2÷2.5+2.5÷2
194-64.8÷1.8×0.9
36.72÷4.25×9.9
5180-705×6
24÷2.4-2.5×0.8
(4121+2389)÷7
671×15-974
469×12+1492
405×(3213-3189)
3.416÷(0.016×35)
0.8×[(10-6.76)÷1.2]
19.4×6.1×2.3
5.67×0.2-0.62
18.1×0.92+3.93
0.0430.24+0.875
0.4×0.7×0.25
0.75×102 100-56.23
0.78+5.436+1
4.07×0.86+9.12.5
30.8÷[14-(9.85+1.07)]
[60-(9.5+28.9)]÷0.18
2.881÷0.43-0.24×3.5
20×[(2.44-1.8)÷0.4+0.15]
28-(3.4+1.25×2.4)
2.55×7.1+2.45×7.1
777×9+1111×3
0.8×〔15.5-(3.21+5.79)〕
(31.8+3.2×4)÷5
31.5×4÷(6+3)
0.64×25×7.8+2.2
2÷2.5+2.5÷2
194-64.8÷1.8×0.9
36.72÷4.25×9.9
5180-705×6
24÷2.4-2.5×0.8
(4121+2389)÷7
671×15-974
469×12+1492
405×(3213-3189)
3.416÷(0.016×35)
0.8×[(10-6.76)÷1.2]
19.4×6.1×2.3 5.67×0.2-0.62
18.1×0.92+3.93 0.0430.24+0.875
0.4×0.7×0.25 0.75×102 100-56.23
0.78+5.436+1 4.07×0.86+9.12.5
脱式计算(能简算要简算)
3.8+4.29+2.71+6.2 12.5—0.78—3.22 12.8×99+12.8
1.25×3.2×2.5 12.6×101—12.6 38.5÷2.5÷0.4
6.7×10.1 6.5×101 4.85×98
1.2×2.5+0.8×2.5 28×17.5—28×7.5 4.8×12.5
6/7+2/15+1/7+13/15 19/21+5/7-3/14 2/3+5/9-2/3+5/9
8/9+(1/4-1/9)+3/4 0.58+5/13+1.12+8/13 11-4/11-7/11
22+55÷11-2/8 1/7+33.5+6/7-3.5 7.09-5/12+12.03-7/12
14/15-(6/15 +1/3) 13/5-0.81 -0.19 7/8+1/8 -5/9 -4/9
5 -(0.5 -3/10 ) 7.68 - 7.68×0.5 5.2+4.8×3.5
30.8÷[14-(9.85+1.07)]
[60-(9.5+28.9)]÷0.18
2.881÷0.43-0.24×3.5
20×[(2.44-1.8)÷0.4+0.15]
28-(3.4+1.25×2.4)
2.55×7.1+2.45×7.1
777×9+1111×3
0.8×〔15.5-(3.21+5.79)〕
(31.8+3.2×4)÷5
31.5×4÷(6+3)
0.64×25×7.8+2.2
2÷2.5+2.5÷2
194-64.8÷1.8×0.9
36.72÷4.25×9.9
5180-705×6
24÷2.4-2.5×0.8
(4121+2389)÷7
671×15-974
469×12+1492
405×(3213-3189)
3.416÷(0.016×35)
0.8×[(10-6.76)÷1.2]
19.4×6.1×2.3 5.67×0.2-0.62
18.1×0.92+3.93 0.0430.24+0.875
0.4×0.7×0.25 0.75×102 100-56.23
0.78+5.436+1 4.07×0.86+9.12.5 添加评论
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.约在西藏 | 2009-04-28 11:57:24
有0人认为这个回答不错 | 有0人认为这个回答没有帮助
30.8÷[14-(9.85+1.07)]
[60-(9.5+28.9)]÷0.18
2.881÷0.43-0.24×3.5
20×[(2.44-1.8)÷0.4+0.15]
28-(3.4+1.25×2.4)
2.55×7.1+2.45×7.1
777×9+1111×3
0.8×〔15.5-(3.21+5.79)〕
(31.8+3.2×4)÷5
31.5×4÷(6+3)
0.64×25×7.8+2.2
2÷2.5+2.5÷2
194-64.8÷1.8×0.9
36.72÷4.25×9.9
5180-705×6
24÷2.4-2.5×0.8
(4121+2389)÷7
671×15-974
469×12+1492
405×(3213-3189)
3.416÷(0.016×35)
0.8×[(10-6.76)÷1.2]
19.4×6.1×2.3 5.67×0.2-0.62
18.1×0.92+3.93 0.0430.24+0.875
0.4×0.7×0.25 0.75×102 100-56.23
0.78+5.436+1 4.07×0.86+9.12.5 添加评论
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.ityy | 2009-04-28 11:57:25
有0人认为这个回答不错 | 有0人认为这个回答没有帮助
30.8÷[14-(9.85+1.07)]
[60-(9.5+28.9)]÷0.18
2.881÷0.43-0.24×3.5
20×[(2.44-1.8)÷0.4+0.15]
28-(3.4+1.25×2.4)
2.55×7.1+2.45×7.1
777×9+1111×3
0.8×〔15.5-(3.21+5.79)〕
(31.8+3.2×4)÷5
31.5×4÷(6+3)
0.64×25×7.8+2.2
2÷2.5+2.5÷2
194-64.8÷1.8×0.9
36.72÷4.25×9.9
5180-705×6
24÷2.4-2.5×0.8
(4121+2389)÷7
671×15-974
469×12+1492
405×(3213-3189)
3.416÷(0.016×35)
0.8×[(10-6.76)÷1.2]
19.4×6.1×2.3
5.67×0.2-0.62
18.1×0.92+3.93
0.0430.24+0.875
0.4×0.7×0.25
0.75×102 100-56.23
0.78+5.436+1
4.07×0.86+9.12.5
30.8÷[14-(9.85+1.07)]
[60-(9.5+28.9)]÷0.18
2.881÷0.43-0.24×3.5
20×[(2.44-1.8)÷0.4+0.15]
28-(3.4+1.25×2.4)
2.55×7.1+2.45×7.1
777×9+1111×3
0.8×〔15.5-(3.21+5.79)〕
(31.8+3.2×4)÷5
31.5×4÷(6+3)
0.64×25×7.8+2.2
2÷2.5+2.5÷2
194-64.8÷1.8×0.9
36.72÷4.25×9.9
5180-705×6
24÷2.4-2.5×0.8
(4121+2389)÷7
671×15-974
469×12+1492
405×(3213-3189)
3.416÷(0.016×35)
0.8×[(10-6.76)÷1.2]
19.4×6.1×2.3 5.67×0.2-0.62
18.1×0.92+3.93 0.0430.24+0.875
0.4×0.7×0.25 0.75×102 100-56.23
0.78+5.436+1 4.07×0.86+9.12.5
2. 五年级下册脱式简便计算60道题
6.9+4.8+3.1 0.456+6.22+3.78 15.89+回(6.75-答5.89) 4.02+5.4+0.98 5.17-1.8-3.2 13.75-(3.75+6.48) 3.68+7.56-2.68 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2 3.82+2.9+0.18+9.1 9.6+4.8-3.6 7.14-0.53-2.47 5.27+2.86-0.66+1.63 13.35-4.68+2.65 73.8-1.64-13.8-5.36 47.8-7.45+8.8 0.398+0.36+3.64 15.75+3.59-0.59+14.25 66.86-8.66-1.34 36.8-3.9-6.1 32+4.9-0.9 25.48-(9.4-0.52) 3.9-4.1+6.1-5.9 15.02-6.8-1.02
3. 小学五年级课改数学脱试题共50道
4.8+8.63+5.2+0.37 1.57+0.245+7.43 1.23+3.4-0.23+6.6
7.5+4.9-6.5 3.07-0.38-1.62 8-2.45-1.55
3.25+1.79-0.59+1.75 23.4-0.8-13.4-7.2 0.25×0.73×4
70÷28 0.25×36 0.85×199
12.7-(3.7+0.84) 0.25×8.5×4 1.28×8.6+0.72×8.6
12.5×0.96×0.8 3.12+3.12×99 28.6×101-28.6
(4.23+6.17)×.8 0.86×15.7-0.86×14.7 2.4×102
15÷0.25 4.5÷1.8 930÷0.6÷5
(2.5-0.25)×0.4 3.6-3.6×0.5 32.4×0.9+0.1×32.4
63.4÷2.5÷0.4 3.9÷(1.3×5) 15÷(0.15×0.4)
91÷x =1.3 41-3x=17 81÷3x=9
X+8.3=10.7 48-27+5x=31 x-5.6=9.4
3x-8=16 3x+9=27 5.3+7x=7.4
3x÷5=4.8 x÷0.8=90 4×8+2x=36
X-0.8X=6 12x+8x=4.8 7(x-2)=49
(x-2)÷3=7 x÷5+9=21 (200-x)÷5=30
29.4×5.1×2.3 5.06×2.5-5.8 10.4+72×0.81
2.688÷0.56 0.375÷0.025 126÷45
5.34×0.25(保留两位小数) 0.25×0.046(保留两位小数) 153÷7.2(循环小数表示)
7.8÷1.4 (保留三位小数) 305÷3.5(保留三位小数) 0.375÷0.025
(0.5+x)+x=9.8÷2
2(X+X+0.5)=9.8
25000+x=6x
3200=450+5X+X
X-0.8X=6
12x-8x=4.8
7.5*2X=15
1.2x=81.6
x+5.6=9.4
x-0.7x=3.6
91÷x=1.3
X+8.3=10.7
15x=3
3x-8=16
7(x-2)=2x+3
3x+9=27
18(x-2)=270
12x=300-4x
7x+5.3=7.4
3x÷5=4.8
30÷x+25=85
1.4×8-2x=6
6x-12.8×3=0.06
410-3x=170
3(x+0.5)=21
0.5x+8=43
6x-3x=18
1.5x+18=3x
5×3-x÷2=8
0.273÷x=0.35
1.8x=0.972
x÷0.756=90
9x-40=5
x÷5+9=21
48-27+5x=31
10.5+x+21=56
x+2x+18=78
(200-x)÷5=30
(x-140)÷70=4
0.1(x+6)=3.3×0.4
4(x-5.6)=1.6
7(6.5+x)=87.5
(27.5-3.5)÷x=4
x+19.8=25.8
5.6x=33.6
9.8-x=3.8
75.6÷x=12.6
5x+12.5=32.3
5(x+8)=102
x+3x+10=70
3(x+3)=50-x+3
5x+15=60
3.5-5x=2
0.3×7+4x=12.5
x÷1.5-1.25=0.75
4x-1.3×6=2.6
20-9x=1.2×6.25
6x+12.8=15.8
150×2+3x=690
2x-20=4
3x+6=18
2(2.8+x)=10.4
(x-3)÷2=7.5
13.2x+9x=33.3
3x=x+100
x+4.8=7.2
6x+18=48
3(x+2.1)=10.5
12x-9x=8.7
13(x+5)=169
2x-97=34.2
3.4x-48=26.8
42x+25x=134
1.5(x+1.6)=3.6
2(x-3)=5.8
65x+7=42
9x+4×2.5=91
4.2x+2.5x=134
10.5x+6.5x=51
89x-43x=9.2
5x-45=100
1.2x-0.5x=6.3
23.4=2x=56
4x-x=48.6
4.5x-x=28
X-5.7=2.15
155X-2X=18
3X+0.7=5
3.5×2=4.2+x
26×1.5=2x+10
0.5×16―16×0.2=4x
139.25-X=0.403
16.9÷X=0.3
23x=14x+14
x+14x=65
3-5x=80
1.8+6x=54
6.7x-60.3=6.7
9+4x=40
2x+8=16
23x-14x=14
x+7x=8
9x-3x=6
6x-8=4
5x+x=9
x-8=6x
4/5x=20
2x-6=12
7x+7=14
6x-6=0
5x+6=11
2x-8=10
1/2x-8=4
x-5/6=7
3x+7=28
3x-7=26
9x-x=16
24x+x=50
6/7x-8=4
3x-8=30
6x+6=12
3x-3=1
5x-3x=4
2x+16=19
5x+8=19
14-6x=8
15+6x=27
5-8x=4
7x+8=15
9-2x=1
4+5x=9
10-x=8
8x+9=17
9+6x=14
x+9x=4+7
2x+9=17
8-4x=6
6x-7=12
7x-9=8
x-56=1
8-7x=1
x-30=12
6x-21=21
6x-3=6
9x=18
4x-18=13
5x+9=11
6-2x=11
x+4+8=23
7x-12=8
X-5.7=2.15
155X-2X=18
3X0.7=5
3.5×2=4.2x
26×1.5=2x
0.5×16―16×0.2=4x
9.25-X=0.403
16.9÷X=0.3
X÷0.5=2.6
3-5x=80
1.8-6x=54
6.7x-60.3=6.7
9+4x=40
0.2x-0.4+0.5=3.7
9.4x-0.4x=16.2
12-4x=20
1/3x+5/6x=1.4
12x+34x=1
18x-14x=12
23x-5×14=14
12+34x=56
22-14x=12
(0.5+x)+x=9.8÷2
2(X+X+0.5)=9.8
25000+x=6x
3200=450+5X+X
X-0.8X=6
12x-8x=4.8
7.5*2X=15
1.2x=81.6
x+5.6=9.4
x-0.7x=3.6
91÷x =1.3
X+8.3=10.7
15x =3
3x-8=16
7(x-2)=2x+3
3x+9=27
18(x-2)=270
12x=300-4x
7x+5.3=7.4
3x÷5=4.8
30÷x+25=85
1.4×8-2x=6
6x-12.8×3=0.06
410-3x=170
3(x+0.5)=21
0.5x+8=43
6x-3x=18
1.5x+18=3x
5×3-x÷2=8
0.273÷x=0.35
1.8x=0.972
x÷0.756=90
9x-40=5
x÷5+9=21
48-27+5x=31
10.5+x+21=56
x+2x+18=78
(200-x)÷5=30
(x-140)÷70=4
0.1(x+6)=3.3×0.4
4(x-5.6)=1.6
7(6.5+x)=87.5
(27.5-3.5)÷x=4
4x=440
2.1x=16.8
18(x-2)=270
18(x-2)=270
12x=300-4x
7x+5.3=7.4
0.1(x+6)=3.3×0.4
4(x-5.6)=1.6
7(6.5+x)=87.5
(27.5-3.5)÷x=4
(1)甲数是3.5,比乙数多a,乙数是 ,甲、乙两数的和是 。
(2)用a元买了单价为1.8元的西瓜2千克,应找回 元。
(3)比x少5的数与a相乘的积是 。
(4)a的5倍减去4.8的差是 。
(5)a与b的和的一半是 。
(6)食堂买来a千克大米,吃了b千克,还剩 千克。
(7)买20支钢笔共付c元,每支钢笔的价钱是 元。
(8)一个工地用汽车运土,每辆车运x吨。一天上午运了6车,下午运了5车。这一天共运土( )吨,上午比下午多运土( )吨。
(9)商场上午卖出电视机10台,下午又卖了7台,每台电视机A元。全天共卖电视机一共收入( )元,上午比下午卖电视机少收入( )元。
4. 五年级下册的脱式计算题(全部能简算)200道,简单点,不要过程和答案
1.3/7 × 49/9 - 4/3
2. 8/9 × 15/36 + 1/27
3. 12× 5/6 – 2/9 ×3
4. 8× 5/4 + 1/4
5. 6÷ 3/8 – 3/8 ÷6
6. 4/7 × 5/9 + 3/7 × 5/9
7. 5/2 -( 3/2 + 4/5 )
8. 7/8 + ( 1/8 + 1/9 )
9. 9 × 5/6 + 5/6
10. 3/4 × 8/9 - 1/3
11. 7 × 5/49 + 3/14
12. 6 ×( 1/2 + 2/3 )
13. 8 × 4/5 + 8 × 11/5
14. 31 × 5/6 – 5/6
15. 9/7 - ( 2/7 – 10/21 )
16. 5/9 × 18 – 14 × 2/7
17. 4/5 × 25/16 + 2/3 × 3/4
18. 14 × 8/7 – 5/6 × 12/15
19. 17/32 – 3/4 × 9/24
20. 3 × 2/9 + 1/3
21. 5/7 × 3/25 + 3/7
22. 3/14 ×× 2/3 + 1/6
23. 1/5 × 2/3 + 5/6
24. 9/22 + 1/11 ÷ 1/2
25. 5/3 × 11/5 + 4/3
26. 45 × 2/3 + 1/3 × 15
27. 7/19 + 12/19 × 5/6
28. 1/4 + 3/4 ÷ 2/3
29. 8/7 × 21/16 + 1/2
30. 101 × 1/5 – 1/5 × 21
31.50+160÷40 (58+370)÷(64-45)
32.120-144÷18+35
33.347+45×2-4160÷52
34(58+37)÷(64-9×5)
35.95÷(64-45)
36.178-145÷5×6+42
37.812-700÷(9+31×11)
38.85+14×(14+208÷26)
39.(284+16)×(512-8208÷18)
40.120-36×4÷18+35 41.(58+37)÷(64-9×5)
5. 求100道五年级脱式计算题带答案和过程
5.4÷1.8+240×1.5=3+360=363
9000÷72×(1.25×0.7×8)=9000÷72×7=125×7=875
1.25×(8+10)=1.25×8+1.25×10=10+12.5=22.5
1.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78
1/2-(4/5-1/2)=1/2+1/2-4/5=1-4/5=1/5
4800÷25÷4=4800÷(25x4)=4800÷100=4800÷100=48
2/5-(3/8-3/5)=2/5+3/5-3/8=1-3/8=5/8
3/4-(3/7-1/4)=3/4+1/4-3/7=1-3/7=4/7
3.2x0.125x2.5=0.125x8x(0.4x2.5)=1x1=1
0.4×125×25×0.8=(0.4×25)×(125×0.8)=10×100=1000
1.25×(8+10)=1.25×8+1.25×10=10+12.5=22.5
9123-(123+8.8)=9123-123-8.8=9000-8.8=8991.2
1.24×8.3+8.3×1.76=8.3×(1.24+1.76)=8.3×3=24.9
9999×1001=9999×(1000+1)=9999×1000+9999×1=10008999
14.8×6.3-6.3×6.5+8.3×3.7=(14.8-6.5)×6.3+8.3×3.7=8.3×6.3+8.3×3.7=8.3×(6.3+3.7)
=8.3×10=83
1.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78
933-157-43=933-(157+43)=933-200=733
4821-998=4821-1000+2=3823
32×125×25=4×8×125×25=(4×25)×(8×125)=100×1000=100000
1.8+18÷1.5-0.5×0.3=1.8+12-0.15=13.8-0.15=13.65
6.5×8+3.5×8-47=52+28-47=80-47=33
3.7x2.56-2.3=9.472-2.3=7.172
1.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78
1/2-(4/5-1/2)=1/2+1/2-4/5=1-4/5=1/5
4800÷25÷4=4800÷(25x4)=4800÷100=4800÷100=48
2/5-(3/8-3/5)=2/5+3/5-3/8=1-3/8=5/8
3/4-(3/7-1/4)=3/4+1/4-3/7=1-3/7=4/7
3.2x0.125x2.5=0.125x8x(0.4x2.5)=1x1=1
0.4×125×25×0.8=(0.4×25)×(125×0.8)=10×100=1000
1.25×(8+10)=1.25×8+1.25×10=10+12.5=22.5
9123-(123+8.8)=9123-123-8.8=9000-8.8=8991.2
1.24×8.3+8.3×1.76=8.3×(1.24+1.76)=8.3×3=24.9
61-(1.25+2.5×0.7)=61-3=58
[(10-0.8)+9.85]-2÷0.125=19.05-2÷0.125=19.05-16=3.05
408-12×24=408-288=120(46+28)×60=74x60=4440
42×50-17=2100-17=2083
32+105÷5=32+21=53
420×(327-238)=420x89=37380
(4121+2389)÷7=6510÷7=930
3.416÷(0.016×35)=3.416÷0.56=6.1
0.8×[(10-6.76)÷1.2]=0.8x(3.24÷1.2)=0.8x2.7=2.16
5.67×0.2-0.62=1.134-0.62=0.514
0.4×0.7×0.25=0.4x0.25x0.7=0.1x0.7=0.07
0.78+5.436+1=6.216+1=7.216
30.8÷[14-(9.85+1.07)]=30.8÷(14-10.92)=30.8÷3.08=10
[60-(9.5+28.9)]÷0.18=(60-38.4)÷0.18=21.6÷0.18=120
2.881÷0.43-0.24×3.5=6.7-0.24x3.5=6.7-0.84=5.86
5.38+7.85-5.37=13.23-5.37=7.86
7.2÷0.8-1.2×5=9-6=3
6-1.19×3-0.43=6-3.57-0.43=6-(3.57+0.43)=6-4=2
6.5×(4.8-1.2×4)=6.5x(4.8-4.8)=6.5x0=0
0.68×1.9+0.32×1.9=(0.68+0.32)x1.9=1x1.9=1.9
10.15-10.75×0.4-5.7=10.15-4.3-5.7=10.15-(4.3+5.7)=10.15-10=0.15
5.8×(3.87-0.13)+4.2×3.74=5.8x3.74+4.2x3.74=(5.8+4.2)x3.74=10x3.74=37.4
20×[(2.44-1.8)÷0.4+0.15]=20x(0.64÷0.4+0.15)=20x(1.6+0.15)=20x1.75=35
28-(3.4+1.25×2.4)=28-(3.4+3)=28-6.4=21.6
2.55×7.1+2.45×7.1=(2.55+2.45)x7.1=5x7.1=35.5
0.8×〔15.5-(3.21+5.79)〕=0.8x(15.5-9)=0.8x6.5=5.2
(31.8+3.2×4)÷5=(31.8+12.8)÷5=44.6÷5=8.92
31.5×4÷(6+3)=126÷9=14
2÷2.5+2.5÷2=0.8+1.25=2.05
194-64.8÷1.8×0.9=194-36x0.9=194-32.4=161.65180-705×6=5180-4230=950
24÷2.4-2.5×0.8=10-2=8
405×(3213-3189)=405x24=9720
125×(97-81)=125x16=2000
6942+480÷3=6942+160=6782
20+80÷4-20=20+20-20=40-20=20
100÷(32-30)×0=100÷2x0=50x0=0
25×4-12×5=100-60=40
70×〔(42-42)÷18〕=70x(0÷18)=70x0=0
75×65+75×35=75x(65+35)=75x100=7500
6-1.6÷4=6-0.4=5.6
32.52-(6+9.728÷3.2)×2.5=32.52-(6+3.04)x2.5=32.52-9.02x2.5=32.52-22.55=9.97
(136+64)×(65-345÷23)=200x(65-15)=200x50=10000
6. 五年级下册脱式计算题及答案
一、5.4÷1.8+240×1.5
=3+360
=363
二、9000÷72×(1.25×0.7×8)
=9000÷72×7
=125×7
=875
三、61-(1.25+2.5×0.7)
=61-3
=58
四、[(10-0.8)+9.85]-2÷0.125
=19.05-2÷0.125
=19.05-16
=3.05
7. 五年级下册的脱式计算题(全部能简算)200道
例子200+10×50脱式
解题思路:四则运算规则(按顺序计算、先算乘除后算加减,有括号先算括号,有乘方先算乘方)即脱式运算(递等式计算)需在该原则前提下进行
解题过程:
200+10×50
=200+500
=700
存疑请追问,满意请采纳
8. 五年级下册脱式计算题(分数)
1. 3/7 × 49/9 - 4/3
2. 8/9 × 15/36 + 1/27
3. 12× 5/6 – 2/9 ×3
4. 8× 5/4 + 1/4
5. 6÷ 3/8 – 3/8 ÷6
6. 4/7 × 5/9 + 3/7 × 5/9
7. 5/2 -( 3/2 + 4/5 )
8. 7/8 + ( 1/8 + 1/9 )
9. 9 × 5/6 + 5/6
10. 3/4 × 8/9 - 1/3
11. 7 × 5/49 + 3/14
12. 6 ×( 1/2 + 2/3 )
13. 8 × 4/5 + 8 × 11/5
14. 31 × 5/6 – 5/6
15. 9/7 - ( 2/7 – 10/21 )
16. 5/9 × 18 – 14 × 2/7
17. 4/5 × 25/16 + 2/3 × 3/4
18. 14 × 8/7 – 5/6 × 12/15
19. 17/32 – 3/4 × 9/24
20. 3 × 2/9 + 1/3
21. 5/7 × 3/25 + 3/7
22. 3/14 ×× 2/3 + 1/6
23. 1/5 × 2/3 + 5/6
24. 9/22 + 1/11 ÷ 1/2
25. 5/3 × 11/5 + 4/3
26. 45 × 2/3 + 1/3 × 15
27. 7/19 + 12/19 × 5/6
28. 1/4 + 3/4 ÷ 2/3
29. 8/7 × 21/16 + 1/2
30. 101 × 1/5 – 1/5 × 21
31.7/8-5/6+11/12
32.6/7+5/14-1/2
33.8-17/42-25/42
34.1-5/9-(2/3+5/9)
35.5/9-(1/6+1/12)
36.11/12-2/9+1/12-7/9
37.7/12+5/6-3/4
38.4/5-2/3+7/6
39.2/3+(5/7-5/14)
40.8/9-(5/6-3/4)
41.14/15-(1/4+7/30)
42.29/30-(14/15-3/4)
43.13/24+7/8+11/24
44.3-17/18-19/18
45.7/9+2/3-4/9
46.5/8+1/2+3/4
47.19/24+11/12-3/4
48.14/15+4/5-2/3
49.13/12-1/2-1/3
50.4/9-1/6+4/3
51.6/7-3/14+1/2
52.1-1/2+3/4
53.1/2-1/3-1/6
54.9/11+7/2-9/22
55.8/9-1/3+5/6
56.7/12+1/3-1/4
57.7/25+4/5-1/2
58.1/4+2/3-1/12
59.3/8+5/8-1
60.3/7-1/2+9/14