Question

Y简便方法计算9.6*28.5+0.285*41

Answer 1

=9.6*28.5+28.5*0.41

=28.5*(9.6+0.41)

=28.5*10.01

=28.5**(10+0.01)

=28.5*10+28.5*0.01

=285+0.285

=285.285