560/(1.25*0.7)-4.8/5/6简便运算

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 10:51:41
560/(1.25*0.7)-4.8/5/6简便运算
x)353032235ѳ77{ɾ/OxnMR>1 l6 ӁrA`|>P ȅh)JY@fpx$ P1!7L031053{0.lfligճ0/.H̳y1~

560/(1.25*0.7)-4.8/5/6简便运算
560/(1.25*0.7)-4.8/5/6简便运算

560/(1.25*0.7)-4.8/5/6简便运算
=(800×0.7)/(1.25×0.7)-4.8/(5×6)
=800/1.25-(0.8×6)/(5×6)
=800/(10÷8)-0.8/5
=(800×8)/10-(0.8×2)/10
=【6400-1.6】/10
=6398.4/10
=639.84