1楼：凌月霜丶
0.58×25+2.5×4.8简便运算是什么0.58×25+2.5×4.8
=25*（0.58+0.42）+25*0.06=25*1+25*0.06
=25+1.5
=26.5
2.5×4.8简便运算
2楼：30秒不
2.5*4*1.2=10*1.2=12
3楼：匿名用户
原式=2.5×4×1.2
=10×1.2=12
4楼：抵不过你回眸
2.5×4.8
=2.5×4x1.2
=10x1.2
=12望采纳！谢谢！
25×4.8有几种简便计算,怎么做?
5楼：匿名用户
25x(4+0.8)=25x4+25x0.8=100+20=12025x4x1.2=100x1.2=120
5x4x5x1.2=20x6=120
25x(4+4x0.2)=25x4+25x4x0.2=100+100x0.2=100+20=120
2.5x4.8的三种简便方法
6楼：新野旁观者
三种简便方法
2.5×4.8
=2.5×4×1.2
=10×1.2
=122.5×4.8
=2.5×4+2.5×0.8
=10+2
=122.5×4.8
=（2.5×4）×（4.8÷4）
=10×1.2
=122.5×4.8
=2.5×5-2.5×0.2
=12.5-0.5=12
7楼：匿名用户
2.5x4.8=2.5x4+2.5x0.8=10+2=12
2.5x4.8=2.5x5-2.5x0.2=12.5-0.5=12
2.5x4.8=2x4.8+0.5x4.8=9.6+2.4=12
8楼：一王生一
2.5×4.8
=2.5×4×1.2
=10×1.2
=122.5×4.8
=2.5×4+2.5×0.8
=10+2
=122.5×4.8
=（2.5×4）×
（4.8÷4）
=10×1.2
=122.5×4.8
=2.5×5-2.5×0.2
=12.5-0.5=12
2.5乘4.8的简便计算
9楼：妖精
2.5乘4.8
=2.5x0.4x12
=1x12=12
10楼：紫艳
2.5*4.8=2.5*4+2.5*0.4*2=12
11楼：炊烟袅袅大海
2,.5x4+2.5x0,.8=10+2=12
12楼：匿名用户
2.5可以看成4分之10，然后4.8乘4分之10等于12
176×58+25×58-5,简便计算
13楼：匿名用户
=175x58+25x58+58-5
=200x58+53
=11600+53
=11653
14楼：匿名用户
=(176+25)*58-5
=201*58-5
=11658-5
=11653
47.1×25+52.8×25+2.5简便运算
15楼：枫叶的独舞
(47.1+52.8+0.1)×25
=100×25
=2500
5.8x4.8 0.58×52用简便计算
16楼：匿名用户
=0.58*48+0.58*52
=0.58*（48+52）
=0.58*100=58
17楼：匿名用户
这是分开算?还是中间是加号?
2.5×4.8×0.67的简便计算
18楼：宝宝
2.5×
4.8×0.67的简便计算
解：采用结合律和分配律专
原式=2.5×4.8×0.67
=2.5x4x1.2x0.67
=10x1.2x0.67
=12x0.67
=（属10+2）x0.67
=10x0.67+2x0.67
=6.7+1.34
=8.04
19楼：匿名用户
2.5×4.8×0.67
=2.5×（12×0.4）×0.67
=（2.5×0.4）×（12×0.67）
=1×8.04
=8.04