3 3/4*1 2/3+3 3/4*1/3

Question

3 3/4*1 2/3+3 3/4*1/3

Answer 1

Ответ:7,5

Пошаговое объяснение:

15/4*5/3=25/4=6 1/4;

15/4*1/3=5/4=1  1/4;

6 1/4+1 1/4=7 2/4=7  1/2=7,5

Answer 2

3 3/4×1 2/3 + 3 3/4× 1/3 = 15/14×5/3+15/4 × 1/3=75/12+15/12=90/12=15/2= 7 1/2