Question

4.06*125%+7.36/五分之四-0.142*12.5 （50*49*48）/（16*15*14）简便运算..怎么

Answer 1

4.06*125%+7.36/五分之四-0.142*12.5

=4.06*1.25+7.36*1.25-1.42*1.25

=1.25*(4.06+7.36-1.42)

=1.25*10

=12.5