50道简便计算题及答案 78除0.25除0.4怎么简算题

78除0.25除0.4怎么简算题  

78除0.25除0.4怎么简算题

78÷0.25÷0.4
=78÷（0.25×0.4）
=78÷0.1
=780

7.28除以0.25除以0.4能简算吗

7.28除以0.25除以0.4能简算
=7.28÷（0.25x0.4）
=7.28÷0.1
=7.28x10
=72.8

18.25乘0.25除0.4可以简算吗?

18.25乘0.25除0.4
=18.25*1/4÷0.4
=18.25*0.1
=1.825

25.6乘以0.4除以0.25简算

0.4乘以0.25=0.1
25.6乘以0.1=2.56

2.4(42.5乘0.4除0.25)能否简算怎样算

2.4(42.5乘0.4除0.25)
=2.4x(42.5x0.4x4)
=(10-0.4)x17
=170-6.8
=163.2

9除以0.25道题怎么简算

9/0.25=9*4=36

简算题．0.125×13.8×32×0.25； .

①0.125×13.8×32×0.25
=0.125×13.8×8×4×0.25
=（0.125×8）×13.8×（4×0.25）
=1×13.8×1
=13.8

②12.4×22×0.5×5
=（12.4×5）×（22×0.5）
=62×11
=682

0.78除于1.5除于0.4 怎么简算

可以先算后两项，但是注意要变号
具体步骤如下：
0.78÷1.5÷0.4
＝0.78÷（1.5×0.4）
＝0.78÷0.6
＝1.3

32.5除0.25减1.28简算怎么算

=32.5÷（1/4）-1.28
=32.5X4-1.28
=130-1.28
=128.72

（能简算得要简算）0.61*0.25+0.18*0.25+0.21*25%…(100-1456除26)*78…这两道

0.61*0.25+0.18*0.25+0.21*25%
=0.25x(0.61+0.18+0.21)
=0.25x1
=0.25
(100-1456除26)*78
=100x78-1456/26x78
=7800-1456x3
=7800-4368
=3432