Решите:3 5/8-2 3/4+1/4,Решите:11/18-7/12×1/2,решите:2 1/3× 1 5/28+2 1/4:6/7×8-7

Question

Решите:3 5/8-2 3/4+1/4,Решите:11/18-7/12×1/2,решите:2 1/3× 1 5/28+2 1/4:6/7×8-7

Answer 1

3 5/8-2 3/4+1/4=1 5-6+2/8=1 1/8

Answer 2

3 5/8-2=29/8-2=29-8/8=21/8=2 5/8
3/4+1/4=4/4=1
11/18-7/12x1/2=11/18-7/24=44-21/72=23/72
2 1/3x1 5/28+2=7/3x33/28+2=11/4+2=2 3/4+2=4 3/4
1/4:6/7x8-7=1/4x7/6x8-7=7x8/24=7/3-7=7-21/3=-14/3=-4 2/3