⑴ 小學五年級數學上冊的四則運算視屏
9×25÷(9-4)=225÷5=45千克
原來每筐蘋果重45千克?。
⑵ 5年級數學四則混合計算題100道
哈哈哈,我們老師有毛病,讓我們自己找
⑶ 五年級上冊數學簡便計算和小學四則混合運算
0.4×125×25×0.8
=(.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
I32×125×25
=4×8×125×25
=(4×25)×(8×125)
=100×1000
=100000
9048÷268
=(2600+2600+2600+1248)÷26
=2600÷26+2600÷26+2600÷26+1248÷269
=100+100+100+48
=348
2881÷ 43
=(1290+1591)÷ 434
=1290÷43+1591÷43
=30+37
3.2×42.3×3.75-12.5×0.423×16
=3.2×42.3×3.75-1.25×42.3×1.6
=42.3×(3.2×3.75-1.25×1.6)
=42.3×(4×0.8×3.75-1.25×4×0.4)
=42.3×(4×0.4×2×3.75-1.25×4×0.4)
=42.3×(4x0.4x7.5-1.25x4x0.4)
=42.3×[4×0.4×(7.5-1.25)]
=42.3×[4×0.4×6.25]
=42.3×(4×2.5)
=4237
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
(80-9.8)×5分之2-1.32
=70.2X2/5-1.32
=28.08-1.32
=26.76
8×7分之4÷[1÷(3.2-2.95)]
=8×4/7÷[1÷0.25]
=8×4/7÷4
=8/7
2700×(506-499)÷900
=2700×7÷900
=18900÷900
=21
33.02-(148.4-90.85)÷2.5
=33.02-57.55÷2.5
=33.02-23.02
=10
(1÷1-1)÷5.1
=(1-1)÷5.1
=0÷5.1
=0
18.1+(3-0.299÷0.23)×1
=18.1+1.7×1
=18.1+1.7
=19.8
⑷ 小學五年級下冊四則運算
2.31×制1.5+1.5×7.69=(2.31+7.69)×1.5=10×1.5=1526×20.2-8.4-1.8=525.2-8.4-1.8=516.8-1.8=5151.25×0.25×0.05×64=1.25×0.25×0.05×8×4×2=(1.25×8)×(0.25×4)×(0.05×2)=10×1×0.1=1
⑸ 小學五年級數學四則混合運算100題
1)3643-74+6357-76=9850
(2)39×+39×46+39×30=3900
(3)108×35=3780
(4)345×98=33810
(5)25×64×125×5=1000000
(6)8500÷25=340
(7)94×73+27×94=9400
(8)125×79=9875
(9)1.2×99=118.8
(10)9÷0.25=36
(11)4.7×5.9+5.2×4.7-4.7×0.1=51.7
(12)3.6×2.4+36×0.76=36
(13)(3.25×7+3.25)×0.125=3.25
(14)37.5÷8÷1.25=3.75
(15)1.11-8.5×(7.1-0.11)×0=1.11
(16)17/18-11/27-5/18-7/27=0
(17)9/10+5/6+9/10-5/6=1.8
(18)1.3+1/4-1/2+1/4-0.2÷4=1.25
(19)12.5×88=1100
(20)4.8÷(1.6×0.2)=15
(21)3.2×0.25×1.25=1
(22)1/3+1/6+1/9+1/18=1
(23)(3/11+0.87+0.23-3/11)÷0.03=37
(24)0.5×[3/4-(7/16-0.25)]=9/32
(25)1999+999×999=1000000
(26)12.75-(3/8+3/4)=93/8
(27)(1.2+0.25)×3×4=17.4
(28)0.375×101-37.5=3/8
(29)7.2×1000÷125=57.6
(30)53/6+37/4-23/6=14.25
(31)10-(1/2+1/10)=9.4
(32)24700-5278÷26×108=2776
(33)3-5/13-8/13=2
(34)532.7-2.47=530.23
(35)0.084×7.5=0.63
(36)913.5÷0.29=3150
(37)6.55×3.45=9039/400
(38)124÷3.1=40
(39)0.1435÷1.5=287/3000
(40)275+2254÷5-100=625.8
(41)4÷(1÷0.4)=1.6
(42)1÷0.2+(2-0.7)×5=11.5
(43)9×3-1.7+13.4=38.7
(44)22-0.8÷2=21.6
(45)4×(12.6-9)+8=22.4
(46)22.2-4.8+3.2-12=8.6
(47)0.3×5+3-4.5=0
(48)2x1.5x0.8=2.4
(49)0.8x6+16=20.8
(50)1+0.2x1.6=4.2
(51)1.5+0.9×3.6=4.74
(52)3/4÷0.75+3=4
(53)2.8×4.5+72×0.5=48.6
(54)0.6x0.1x2=0.12
(55)280+720=1000
(56)1076-86=990
(57)32×0.25=8
(58)1/3+1/5=8/15
(59)30²=900
(60)0.1÷1%=10
(61)3.14×7=21.98
(62)2/5-1/4=0.15
(63)6300÷70=90
(64)45×3/15=9
(65)1/7-1/9=2/63
(66)36-4/9=320/9
(67)45-0.5=44.5
(68)5/6-1/6=2/3
(69)2/5+1/2=0.9
(70)3/4+1/6=11/12
(71)2x2/5+27/5=6.2
(72)24x1.2-4=24.8
(73)6.5+2x16.5=39.5
(74)8.1÷27×3=0.9
(75)1-2/5-17/50=13/50
(76)4/7-2/5=6/35
(77)264+318-8280÷69 =462
(78)5/6-1/4+2/3=5/4
(79)11/28+(5/14+3/7)=33/28
(80)7-(3/4-2/5)=133/20
(81)285+(3000-372)÷36 =358
(82)796-5040÷(630÷7)=740
(83)3168-7828÷38+504 =-100656
(84)1406+735×9÷45 =1553
(85)14.6-(4.6+7.2)=14/5
(86)1-1/2-1/3-1/6=0
(87)3/10-7/30+4/10=7/15
(88)999×85+854×(6.5÷1.3)=89185
(89)1.5-0.05×(1.5-1.5)=3/2
(90)9/10-(1/6+3/5)=2/15
(91)4/3-(2/5+3/10)=19/30
(92)2/5+1/3+3/5=4/3
(93)20-(5.35+0.15)+6.3=104/5
(94)1/2-(3/4-3/8)=1/8
(95)7/8-5/12+1/6=5/8
(96)(174+209)×26- 9000 =958
(97)814-(278+322)÷15=774
(98)2/5+3/5+3/7-3/9=23/21
(99)5/6+5/12=5/4
(100)1-(8/13+5/13)=0
⑹ 五年級四則混合運算
①238.9-18.9÷0.4=220÷0.4=55②0.2×(1+內0.4-1+0.4)÷0.16=0.2×容0÷0.16=0③7.5÷(4.8+1.09)×5.2=7.5÷5.89×5.2=1.27×5.2=6.604
2.說出運算順序,並口算出結果。①3.2÷3.2+3.2×3.2,②3.2+3.2-3.2+3.2,③(5.3+5.3)÷5.3-0.7,④4.8÷3×(5.4-4.9)-0.2
3.計算下列各題,看誰做得又對又快。(要求四名同學板演,其他同學在練習本上做,然後共同訂正。)①8.64-8.64÷2.7÷6.5×1.4②20.9+10.5÷(5.2-4.5)×3.6③17.3÷(9.6+5.7)×8.4+0.6④0.9×〔3.8+(7.4÷3.7)〕+10.13
⑺ 五年級四則運算的知識
先乘除,後加減;
先算括弧內,再算括弧外;
然後就看你算得對不對了