Question

решите примеры
42•70:60=
58•90:30=

Answer 1

42•70:60=2940:60=49
58•90:30=5220:30=174

Answer 2

42•70:60=49
1)42•70=2940
2)2940:60=49
58•90:30=174
1)58•90=5220
2)5220/30=174