Question

二分之一乘以三点二加五点六乘以零点五加一点二乘以50%怎么列式

Answer 1

1/2*3.2+5.6*0.5+1.2*50%

=0.5*3.2+5.6*0.5+1.2*0.5

=0.5（3.2+5.6+1.2）

=0.5*10

=5