=28÷2.8+3.65
=10+3.65
=13.65
6.5-(1.6÷5-0.12)
=6.5-（0.32-0.12）
=6.5-0.2
=6.3
2.58x4.6+2.58x5.4
=2.58×（4.6+5.4）
=2.58×10
=25.8
0.25x13.6x40
=（0.25×40）×13.6
=10×13.6
=136
28除(5.76-2.96)+3.65 6.5-(1.6除5-0.12) 2.58x4.6+2.58x5.4 0.25x13....
28÷(5.76-2.96)+3.65 =28÷2.8+3.65 =10+3.65 =13.65 6.5-(1.6÷5-0.12)=6.5-（0.32-0.12）=6.5-0.2 =6.3 2.58x4.6+2.58x5.4 =2.58×（4.6+5.4）=2.58×10 =25.8 0.25x13.6x40 =（0.25×40）×13.6 =10×13.6 =136 ...
小学五年级简便小数点混合运算题,怎么做?
13+A=28.5 2.4X=26.4 7.5x-3x=18 5×1.3-2x=5.5 24x+6x=63.6 5.6x+4.4x=5.2 小学五年级四则混合运算题! 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...
急!!!求几道小学五年级的简便运算
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-...
求30道小学简便运算.60道口算.30道小学解方程
27+54=81...28+56=84...29+58=87...30+60=90...31+62=93...32+64=96...33+66=99...5 ÷1 =5 10 ÷2 =5 15 ÷3 =5 20 ÷4 =5 25 ÷5 =5 30 ÷6 =5 35 ÷7 =5 40 ÷8 =5 45 ÷9 =5 50 ÷10 =5 55 ÷11 =5 60 ÷12 =5 65 ÷13 =5 70 ÷14...
求五年级口算题,要有简便运算,越多越好!!还有应用题,五年级的!!
0.75÷0.25= 0.125×8= 4.8÷0.3= 0.86÷2= 0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.7×9= 3.6÷24= 0.8×1.1= 7.2+12.8= 46.7－3.8= 12.8÷4= 5.2÷13= 12.5÷5= 1.64+4.1= 10÷20= 24÷15= 8.65×10= 0.35×0.6= 3.08×0.01= 4.95×...
四年级口算1360道(简单些)
(4)(0.12+0.32) ÷ [-22+(-3)2-3 × ]; (5)-6.24×32+31.2×(-2)3+(-0.51) ×624. [-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3) 5+21*8\/2-6-59 68\/21-8-11*8+61 -2\/9-7\/9-56 4.6-(-3\/4+1.6-4-3\/4) 1\/2+3+5\/6-7\/12 [2\/3-4-1\/4*(-0.4)]\/1\/3...
小数乘除法计算题各20道题、简便计算40道题、方程20道题
(循环小数的用简便方法,除不尽保留2位小数): 8.2÷0.12 0.8÷0.9 76.4÷5.4 4.7÷3 1.25÷1.2 32÷42 14.36÷2.7 8.33÷6.2 1.7÷0.03 2.41÷0.7 用竖式计算 0.396÷1.2= 0.756÷0.36= 15.6×13= 0.18×15= 0.025×14= 3.06×36= 0.04×0.12= 3.84×2.6≈ 5.76×3= (保留一位小数) 7.15×22 90.75...
简便计算大全
=6.5×（9.5+0.5）=6.5×10 =65 （7）0.35×1.6+0.35×3.4 =0.35*（1.6+3.4）=0.35*5 =1.75 （8）6.72-3.28-1.72 =6.75-（3.28+1.72）=6.75-5 =1.75 （9）0.45+6.37+4.55 =0.45+4.55+6.37 =5+6.37 =11.37 （10）28×12.5-12.5×20 ...
适合小学生六年级的80道简便计算题(带答案)
2和0.8相加正好凑整数，使得运算简便。1.2×2.5+0.8×2.5 =（1.2+0.8）×2.5 =2×2.5 =5 5、2.96×40 解析：此题先利用乘法分配律，把2.96×40转换成29.6x4，再利用乘法结合律来简便计算。2.96×40 =29.6x4 =（30-0.4）x4 =30×4+0.4×4 =120-1.6 =118.4 ...
小学五年级(上)加、减、乘、除、混合运算(口算题)300题
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 ...
