помогите решить 45:3 6/13-13,6+1 3/8

Question

помогите решить 45:3 6/13-13,6+1 3/8

Answer 1

1)45/3=15

2)6/13=0,4

3)15*0,4=6

4) 3/8=0,375

5)1*0,375=0,375

6)13,6+0,375=13,975

7)6-13,975=-7,975

ответ:-7,975

Answer 2

45:3 6/13-13,6+1 3/8=45:(45/13)-13.6+1 3/8=13-13.6+1 3/8=-0.6+1 3/8=-0.6+11/8=-0.6+1.375=0.775

 

1. 3 6/13=45/13

2. 45:(45/13)=13

3. 13-13.6=-0.6

4. 1 3/8=11/8

5. 11/8=1.375

6. -0.6+1.375=0.775