Question

1、八分之一的倒数加上七分之三与三分之二的积,和是多少?

Answer 1

1. 8+37×23

=8+27

=587

2. 14x+5=30×12

14x+5=15

14x=10

x=10÷14

x=10×4

x=40

3. 45×15-4÷49

=9-4×94

=9-9

=0

4. 80%x+13=37

80%x=24

x=24÷0.8

x=30

1.A:B=4:7