Question

一种钢材,一米重二十分之一吨. 1.2吨这种钢材有多少米? 2.一根钢材长五分之八米,2吨钢材有多少根?

Answer 1

1.2/(1/20)

=1.2*20

=24米

8/5*(1/20)

=8/100

=0.08吨

2/0.08=25根