『壹』 小学六年级数学分数计算题140道
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
1.口算下面各题
(1)58+42= (2)87-45= (3)125×8=
(4)50×12= (5)804÷4= (6)134+66=
(7)1000-98= (8)720÷5= (9)0÷47=
2.先填写下面各题的运算顺序,再计算出得数。
(1)168+36-36+32=
(2)153-5×14+83=
(3)50×5÷50×5=
3.判断:对的打“√”,错的打“×”
(1)13×15与15×13表示的意义相同。( )
(2)3000÷425÷8的计算结果一定小于3000÷(425×8)的计算结果。( )
(3)两个因数的积是800,如果一个因数不变,另一个因数缩小20倍,那么积是40。( )
(4)算式:“750÷25+35×2”所表示的意义是750除以25的商;加上35的2倍,和是多少?( )
(5)24×25=6×4×25=6+100=106( )
4.用简便方法计算:
(1)3786-499
(2)32×25×125
(3)-338-662
(4)7987+350+2013+450
(5)38×38+62×38
(6)452+99×452
(7)201×79
(8)50×125×4×8
5.计算下面各题:
(1)340×(120-40÷8)
(2)45×(720-1957÷19)
(3)86+[4500+(2088÷36)÷2]
(4)396×[74-(4875÷15-13×21)]
(5)[1054-(174-168)]÷8
(6)6048÷[(107-99)×9]
『贰』 小学六年级分数乘分数法计算题
3/7 × 49/9 - 4/3
12× 5/6 – 2/9 ×3
8× 5/4 + 1/4
6÷ 3/8 – 3/8 ÷6
4/7 × 5/9 + 3/7 × 5/9
5/2 -( 3/2 + 4/5 )
7/8 + ( 1/8 + 1/9 )
9 × 5/6 + 5/6
3/4 × 8/9 - 1/3
7 × 5/49 + 3/14
6 ×( 1/2 + 2/3 )
8 × 4/5 + 8 × 11/5
31 × 5/6 – 5/6
9/7 - ( 2/7 – 10/21 )
5/9 × 18 – 14 × 2/7
4/5 × 25/16 + 2/3 × 3/4
14 × 8/7 – 5/6 × 12/15
17/32 – 3/4 × 9/24
『叁』 小学6年级数学分数计算题50题
分数计算题
1.直接写出得数。
75×10%= 32×12.5%= + = + = ÷ =
12 - 16 = 12- = × = ÷ 7 = - =
9÷9×19 = 0.4+ = × = 4.5 ÷ = × 2.4=
+ = ÷ = 2- ÷ 1÷ - ÷1
+ 4.5÷ ×2.4 0.4+ ( - )×18
1÷ = 12-1 = + × = ÷ = 24÷34 =
3+ -3+ = 0.1×30%= 2÷1%-2= ÷ = 12 - 16 =
+ = + = 12- = × = 35 +13 = 0.2-16 = (3+320 )×5= 1÷23 ×32 = 34 +12 ÷ 12 = 0.25 - =
÷3 = 1÷ = 72 × = 8- = ×0÷ =
13× ÷13× = ( + )×56= + = 3- = 0÷ =
10÷ ×10= × = ÷ = ÷6= ×2÷ ×2=
15× 12÷ 9+29 =
4-38 -58 = 34 ×12= 23 ÷7=12 ×12 ÷12 ×12 = 12 -25 =
58 ÷23 = 7÷19= 3.7×0.1% = 6÷(12 -13 )= 8.1+14 =
13 ×(15+67 )= 1-25 +35 = + = 0.4×0.4= ÷ =
× = 992= 8×12.5%= + ×0= =
0.68+ +0.32= ÷ +0.75×8= ×5÷ ×5=
2- + - + - =
用递等式计算,能简算的简算
(45 +14 )÷ +710
1110÷[56×( - ) ] ( + - )×4×9
3.64÷4+4.36×25% ÷ + +
× ( + ) + 78 ×
÷ ( + ) ÷( - 0.2 )
×(7.2 + )- ÷ [ 2.5-( + 0.15 )÷0.6 ]×
( + )× 8 + ×11- -5
× ÷( + ) × +3÷4×
÷[ -( + )] ( - )×15
1 + ÷4- ÷( × )-1
+ ÷ ― ÷[ ( + )]
( + )×24 ( + )÷( - )
×[ -( - )] + ÷ ×
+ + ÷4 7.5× +7.5÷
[ -( - )]× 75 ×23 +1415 ÷ 19
0.16+4÷(38 -18 ) 37 -[ 195 -(145 +47 )]
35 ÷ [(15 +13 )÷29 ] 1.7+150 +3.98
17.625-(4.4+58 ) 6÷35 -35 ÷6
38 ×[89 ÷( 56 -34 )] ( )÷ +
75× +25× ( + )÷
( )×7×5
(333+667)÷[63×( )]
( - ÷2)÷ ( + ÷ )
÷[ ×(2- )] (4÷7+ )×5-
1110÷[56×( - ) ] 3.64÷4+4.36×25%
( - )× ×36 1÷(55-5×7 )×
( × + ) ÷(11- ) 128× - ×128-2÷
910 ×(56 -49 ÷45 ) 1 × +2 × +
( + )×7×5 12 ×1120 +12 ×2049
78 ×[67 -(121 +37 ) ×[0.75-( - )]
+ ×(2.5- )
35 ÷〔78 -(25 +38 )〕
15.8- +14.2- ×3.7+3.6+5.3×
(1.5+ )÷3.75- ( )÷ +
10÷[ -( ÷ + )] 16×(1000+ )=
3.求未知数x
2.4×38 +3X=6
36- X= 18 2X+3×0.9 = 24.7
3.5-2.5x=0.375 x ÷ =
x + x = 5x -0.8×10 =3.19
x+ × =1 x×( - )=
80-4x=56 x+ x=
12x+7×30%=14.7 X - 23 X= 13
1.24×4-7x= x-30%x=50%x+12
x- x-4=18 5X-5×7=40
12-5X=6.5 X- X=
÷x=0.8 x+5×4=95
2.4×38 +3X=6
2X+0.1=1
23 X+12 X=42 X- =1.75
X- = 2x-1.65+2.35=7
x - x =9.45 3.7×5-2x=
x+4=4.7 3X-2.1=1.44
x ÷ 75% = 50%x+4=4.7
χ – 25%χ= 24 x+75%x =
4χ+ 50%χ= 9 100%χ+ 200%χ=
50%X- =20% 50%x+ x=
x-80%x=70% 100%x-75%x-4=18
X-20%X= x×(75%- )=
X- =175% 75%x+ × =1
『肆』 小学六年级分数简便计算习题
1949×(1/51-1/2000)+51×(1/1949-1/2000)-2000×(1/1949+1/51)+3
=1949/51-1949/2000+51/1949-51/2000-2000/1949-2000/51+3
=(1949-2000)/51-(1949+51)/2000+(51-2000)/1949+3
=-1-1-1+3
=0
1.先去括号,用乘法分配在计算
『伍』 跪求小学六年级分数计算题400道带答案
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
1.口算下面各题
(1)58+42= (2)87-45= (3)125×8=
(4)50×12= (5)804÷4= (6)134+66=
(7)1000-98= (8)720÷5= (9)0÷47=
2.先填写下面各题的运算顺序,再计算出得数。
(1)168+36-36+32=
(2)153-5×14+83=
(3)50×5÷50×5=
3.判断:对的打“√”,错的打“×”
(1)13×15与15×13表示的意义相同。( )
(2)3000÷425÷8的计算结果一定小于3000÷(425×8)的计算结果。( )
(3)两个因数的积是800,如果一个因数不变,另一个因数缩小20倍,那么积是40。( )
(4)算式:“750÷25+35×2”所表示的意义是750除以25的商;加上35的2倍,和是多少?( )
(5)24×25=6×4×25=6+100=106( )
4.用简便方法计算:
(1)3786-499
(2)32×25×125
(3)-338-662
(4)7987+350+2013+450
(5)38×38+62×38
(6)452+99×452
(7)201×79
(8)50×125×4×8
5.计算下面各题:
(1)340×(120-40÷8)
(2)45×(720-1957÷19)
(3)86+[4500+(2088÷36)÷2]
(4)396×[74-(4875÷15-13×21)]
(5)[1054-(174-168)]÷8
(6)6048÷[(107-99)×9]
http://www.910cn.cn/teacher/down/183/723/2273/16030/17944/32552.shtml2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2 4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35 4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14 30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18 5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4 10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5 8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8 9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18 4/9×3= 5÷1/3 = 1/2÷1/3 = 2/7×3/9 ÷2/7 = 21/25÷42= 4/5×3/4 = 8.7×0.2= 4×0.25= 1/7×14= 2/3÷5/6= 1.25×8= 3/5÷5/8= 6/7×3/2= 6×8.8= 4/11÷4= 4/9×3/8= 5/3÷5= 0÷8/3= 4/7 -2/3= 2/7×2 = 41/12×4= 4÷3/16= 12÷9/4 = 75/8 ÷5= 12×16/9 = 2/3×3= 8÷9/4 = 5/3÷3/5 = 4/5×5/8 = 7/9×9/7 = 2.64+3.6= 2.4×50= 3500÷70= 2050-298= 2+7÷9= 0.3÷3%= 81.2-11÷7-×3= 6696÷62-6.5×10.6 = 1. 89÷100= 0.82+0.08= 73×1= 0.63×10= 4÷10= 17÷1000= 0.56+0.4= 1.25×100= 5.6+99= 100÷25= 1-0.93= 90-0.9= 794-198= 68×25= 6756-193-207= 72×125= 97×360+3×360=
『陆』 求小学六年级的分数计算题105道(加减乘除都可以!!)
. 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
1.口算下面各题
(1)58+42= (2)87-45= (3)125×8=
(4)50×12= (5)804÷4= (6)134+66=
(7)1000-98= (8)720÷5= (9)0÷47=
2.先填写下面各题的运算顺序,再计算出得数。
(1)168+36-36+32=
(2)153-5×14+83=
(3)50×5÷50×5=
3.判断:对的打“√”,错的打“×”
(1)13×15与15×13表示的意义相同。( )
(2)3000÷425÷8的计算结果一定小于3000÷(425×8)的计算结果。( )
(3)两个因数的积是800,如果一个因数不变,另一个因数缩小20倍,那么积是40。( )
(4)算式:“750÷25+35×2”所表示的意义是750除以25的商;加上35的2倍,和是多少?( )
(5)24×25=6×4×25=6+100=106( )
4.用简便方法计算:
(1)3786-499
(2)32×25×125
(3)-338-662
(4)7987+350+2013+450
(5)38×38+62×38
(6)452+99×452
(7)201×79
(8)50×125×4×8
5.计算下面各题:
(1)340×(120-40÷8)
(2)45×(720-1957÷19)
(3)86+[4500+(2088÷36)÷2]
(4)396×[74-(4875÷15-13×21)]
(5)[1054-(174-168)]÷8
(6)6048÷[(107-99)×9]
3*(5*(2/3))
2.(1+37%)*20
3.35/2*75%
4.30*(50/2)
5.(54+10%)/20
6.(25/3*18)*30%
7.(2+70%)*40
8.1/7*(98*(1/4)*2)
9.25%*((23+2%)*4)
10.(30+20%)/2
11.12*3/(25+20%)
12.30/(3+40%)
13.27/8*16*10%
14.(2/3)*(3+6)*(1/2)
15.45*(1/9)*24
16.(35+10%)*27
17.(45+50%)*3*1/2
1.125*3+125*5+25*3+25
2.9999*3+101*11*(101-92)
3.(23/4-3/4)*(3*6+2)
4. 3/7 × 49/9 - 4/3
5. 8/9 × 15/36 + 1/27
6. 12× 5/6 – 2/9 ×3
7. 8× 5/4 + 1/4
8. 6÷ 3/8 – 3/8 ÷6
9. 4/7 × 5/9 + 3/7 × 5/9
10. 5/2 -( 3/2 + 4/5 )
11. 7/8 + ( 1/8 + 1/9 )
12. 9 × 5/6 + 5/6
13. 3/4 × 8/9 - 1/3
14. 7 × 5/49 + 3/14
15. 6 ×( 1/2 + 2/3 )
16. 8 × 4/5 + 8 × 11/5
17. 31 × 5/6 – 5/6
18. 9/7 - ( 2/7 – 10/21 )
19. 5/9 × 18 – 14 × 2/7
20. 4/5 × 25/16 + 2/3 × 3/4
21. 14 × 8/7 – 5/6 × 12/15
22. 17/32 – 3/4 × 9/24
23. 3 × 2/9 + 1/3
24. 5/7 × 3/25 + 3/7
25. 3/14 ×× 2/3 + 1/6
26. 1/5 × 2/3 + 5/6
27. 9/22 + 1/11 ÷ 1/2
28. 5/3 × 11/5 + 4/3
29. 45 × 2/3 + 1/3 × 15
30. 7/19 + 12/19 × 5/6
31. 1/4 + 3/4 ÷ 2/3
32. 8/7 × 21/16 + 1/2
33. 101 × 1/5 – 1/5 × 21
34.50+160÷40
35.120-144÷18+35
36.347+45×2-4160÷52
37(58+37)÷(64-9×5)
38.95÷(64-45)
39.178-145÷5×6+42
40.812-700÷(9+31×11)
41.85+14×(14+208÷26)
43.120-36×4÷18+35
44.(58+37)÷(64-9×5)
45.(6.8-6.8×0.55)÷8.5
46.0.12× 4.8÷0.12×4.8
47.(3.2×1.5+2.5)÷1.6
48.6-1.6÷4= 5.38+7.85-5.37=
49.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
50.6.5×(4.8-1.2×4)=
51.5.8×(3.87-0.13)+4.2×3.74
52.32.52-(6+9.728÷3.2)×2.5
53.[(7.1-5.6)×0.9-1.15] ÷2.5
54.5.4÷[2.6×(3.7-2.9)+0.62]
55.12×6÷(12-7.2)-6
56.12×6÷7.2-6
57.0.68×1.9+0.32×1.9
58.58+370)÷(64-45)
59.420+580-64×21÷28
60.136+6×(65-345÷23)
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+42 420+580-64×21÷28
37.812-700÷(9+31×11) (136+64)×(65-345÷23)
38.85+14×(14+208÷26)
39.(284+16)×(512-8208÷18)
40.120-36×4÷18+35
41.(58+37)÷(64-9×5)
42.(6.8-6.8×0.55)÷8.5
43.0.12× 4.8÷0.12×4.8
44.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6
45.6-1.6÷4= 5.38+7.85-5.37=
46.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9
48.10.15-10.75×0.4-5.7
49.5.8×(3.87-0.13)+4.2×3.74
50.32.52-(6+9.728÷3.2)×2.5
51.[(7.1-5.6)×0.9-1.15] ÷2.5
52.5.4÷[2.6×(3.7-2.9)+0.62]
53.12×6÷(12-7.2)-6 (4)12×6÷7.2-6
1.[(5.84-3.9)/0.4+0.15]*0.92
2.4.38/(36.94+34.3*0.2)
3.(284+16)*(512-8208/18)
4.5.4/[2.6*(3.7-2.9)+0.62]
5.[(7.1-5.6)*0.9-1.15]/2.5
6.32.52-(6+9.728/3.2)*2.5
7.5.8*(3.87-0.13)+4.2*3.7
8.8/9*[15/16*(7/16-1/4)/1/2]
9.[5 1/2-1.04*(1 2/3+5/6)]/2.9
10.6 3/7 /3/7-[(7-0.5)*1/4]
11.(0.75+0.2)/0.25*25%+12/0.75+7.2/2.4
12.1.21*42-(4.46+0.14)*1375+450/18*25
13.1+0.45/0.9-0.75-168.1/(4.3*2-0.4)
14.605*8+3.5-44+10.9-(6.6+0.125/12.5%)
15.56*(56-65)*[0.325-62/30+(56/8)-65 ]
16.4/7*5/9 + 3/7*5/9-3/4 × 8/9 - 1/3
17.50+160/40 *(58+370)/(64-45)
18.347+45×2-4160÷52
19.6-1.6÷4+ 5.38+7.85-5.37
20.5.4÷[2.6×(3.7-2.9)+0.62
『柒』 小学六年级的分数计算题该怎么算有什么规律
一个分数乘以另一个分数,等于原两个分数的分子乘分子等于得数的分子,原两个分数的分母乘分母等于得数的分母,约分后得最后结果,如:
7分之5乘以8分之3等于7乘以8得分母56,5乘以3得分母15,最后结果为56分之15.
一个数除以另一个分数,等于用这个数去乘以另一个分数的倒数,倒数就是将这个分数的分子变成分母,分母变成分子,如:
7分之5除以8分之3等于7分之5乘以3分之8,等于21分之40。
『捌』 小学六年级带分数计算题
1. 3/4*1/9+1/4*1/9 2. 5/8*2/7+5/8*5/7 3. 101*1/5-1/5*21 4. 31*5*6-5/6 5. 8*4/5+8*11/5 6. 6*(1/2+2/3) 7. (3/5-1*2)*5/3 8. 12*(2*3+1/6) 9. 4/7*5/9+3/7*5/9 10. (3+1)*5/6 11. 5/2*(3/2+4/5) 12. 1/6*(2/3+3/4) 13. 7/72*(1/8+1/9) 14. 9*5/6+5/6 15. 12*5/6-5/6*3 16. 21/22*(2/7+10/21) 17. 45*2/3+1/3*45 18. 1/5*2/3+4/3*1/5 19. 9/11*(11/18+11/20) 20. 2/5*(5/9+5/7) 21.1/3*(5*(2/3)) 22.(1+37%)*20 23.35/2*75% 24.30*(50/2) 25.(54+10%)/20 26.(25/3*18)*30% 27.(2+70%)*40 28.1/7*(98*(1/4)*2) 29.25%*((23+2%)*4) 30.(30+20%)/2 31.12*3/(25+20%) 32.30/(3+40%) 33.27/8*16*10% 34.(2/3)*(3+6)*(1/2) 35.45*(1/9)*24 36.(35+10%)*27 37.(45+50%)*3*1/2 38.(43*20%)+(3*(1/9)) 39.27*(9*(1/3))*5% 40.14*15%+25*8*(1/4) 41.7*(1/2)/49 42.(1+48%)*2 43.(4*8-12)*50% 44.(48/60%)/10 45. 63*(1/7)*30% 46. 8/9 × 15/36 + 1/27 47. 12× 5/6 – 2/9 ×3 48. 8× 5/4 + 1/4 49. 6÷ 3/8 – 3/8 ÷6 50. 4/7 × 5/9 + 3/7 × 5/9 51. 5/2 -( 3/2 + 4/5 ) 52. 7/8 + ( 1/8 + 1/9 ) 53. 9 × 5/6 + 5/6 54. 3/4 × 8/9 - 1/3 55. 7 × 5/49 + 3/14 56. 6 ×( 1/2 + 2/3 ) 57. 8 × 4/5 + 8 × 11/5 58 . 31 × 5/6 – 5/6 59. 9/7 - ( 2/7 – 10/21 ) 60. 5/9 × 18 – 14 × 2/7 61. 4/5 × 25/16 + 2/3 × 3/4 62. 14 × 8/7 – 5/6 × 12/15 63. 17/32 – 3/4 × 9/24 64. 3 × 2/9 + 1/3 65. 5/7 × 3/25 + 3/7 66. 3/14 ×× 2/3 + 1/6 67. 1/5 × 2/3 + 5/6 68. 9/22 + 1/11 ÷ 1/2 69. 5/3 × 11/5 + 4/3 70. 45 × 2/3 + 1/3 × 15 71. 7/19 + 12/19 × 5/6 72. 1/4 + 3/4 ÷ 2/3 73. 8/7 × 21/16 + 1/2 74. 101 × 1/5 – 1/5 × 21
『玖』 小学6年级数学计算题200道
分析:鸡×1/4=鸭×1/8,得:鸡=鸭×1/2,即鸡是鸭的1/2
鸭:400÷(1+1/2)=
数据确实有问题。