Question

下面各题，怎样简便就怎样算。1.25乘以64乘以50

Answer 1

下面各题，怎样简便就怎样算。1.25乘以64乘以50

1.25x64x50
=1.25x8x8x50
=10x8x50
=80x50
=4000

计算下面各题怎样简便就怎样算180-144乘以六分之五

计算下面各题怎样简便就怎样算180-144乘以六分之五
180-144乘以六分之五
=180-24*5
=180-120
=60
直接计算

3.5乘以105怎样简便就怎样算

3.5x105
=3.5x(100+5)
=3.5x100+3.5x5
=350+17.5
=367.5

5.4乘以0.23价5.4乘0.77怎样简便就怎样算？

5.4*0.23+5.4*0.77
=5.4*（0.23+0.77）
=5.4*1
=5.4

0.2乘以9.9+0.1怎样简便就怎样算

原式
=0.2x9.9+0.1
=0.2x(10-0.1)+0.1
=0.2x10-0.2x0.1+0.1
=2-0.02+0.1
=1.98+0.1
=1.99
供参考。

333乘以94+999乘以2脱式计算怎样简便就怎样运算。

=333乘94+333乘6
=333乘(94+6)
=333乘100
=33300

12.5乘以0.25再乘以64怎样算简便

12.5×0.25×64
=12.5×8×0.25×4×2
=100×1×2
=200

用简便方法计算下面各题199乘以42是怎样计算

199×42
解：原式=（200-1）×42
=200×42-1×42
=8400-42
=8358
即199×42=8358

103乘以四，32怎样简便就怎样计算？

(100+3)*4=400+12=412
(100+3)*32=3200+96=3296

24.3除以4.5加3.2乘以0.8怎样简便就怎样算

24.3除以4.5加3.2乘以0.8怎样简便就怎样算
24.3除以4.5加3.2乘以0.8
=5.4+2.56
=7.96
直接计算