【6.3-6.3乘以0.9】除以6.简便运算~求求今晚

问题描述:

【6.3-6.3乘以0.9】除以6.简便运算~求求今晚

(6.3*0.1)/6.3
=0.63/6.3
=0.001

(6.3X1-6.3X0.9)除以6.3
等于(6.3X(1-0.9)除以6.3
等于0.1

(6.3-6.3×0.9)÷6.3
=6.3÷6.3-6.3×0.9÷6.3
=1-0.9
=0.1

原式=6.3×(1-0.9)÷6.3=0.1
望采纳,谢谢