6.4125+12.536减算

来源：学生作业帮编辑：拍题作业网作业帮分类：数学作业时间：2024/05/21 22:42:04

6.4*125+12.5*36减算
还有59分之31*23+31*59分之36+100.
是6.4

1.原式=64×12.5+12.5×36
=（64+36）×12.5
=100×12.5
=1250
2.原式=31/59 ×（23+36）+100
=31/59 ×59 +100
=31+100
=131

125×6.4 简便运算巧算:37.5*1.2+12.5*6.4 12.5*6.4*25 简便计算 12.5×0.76×6.4×2.5×0.5【简便运算】 6.4×0.125×12.5的简便计算简便计算6.4*（0.125*12.5） 5x2.5*12.5*6.4简便运算简便运算6.4*1.25*12.5= 8（x-12.5）=6.4 6.4×12.5×25×17简便方法计算用乘法分配律计算下面的题：(1)752×1.25+4.45×12.5+0.035×125（2）0.42×160+36×1 简算:80.7×6.4+8.07×36