Question

Помогите пожалуйста по матетиматике 5​

Answer 1

Ответ:

1)(1/12+1/6)÷(3/8-1/4)=2    

1.1/12+1/6=1+2/12=1/4

2.3/8-1/4=3-2/8=1/8

3.1/4÷1/8=1/4×8=2

2)(1-4/9)÷(1/3-1/4)=6 2/3

1.1-4/9=9/9-4/9=5/9

2.1/3-1/4=4-3/12=1/12

3.5/9÷1/12=5/9×12=6 2/3

3)(1/3-5/16)÷(1/6-1/8)=

1.1/3-5/16=16-15/16=1/16

2.1/6-1/8=4-3/24=1/24

3.1/16÷1/24=1/16×24=1 1/2

4)(5/7-2/3)÷(4/9-5/12)=1 5/7

1.5/7-2/3=15-14/21=1/21

2.4/9-5/12=16-15/36=1/36

3.1/21÷1/36=1/21×36=1 5/7

/ это дробь