Question

1) 4 2/3-2 5/8
2)2 1/6+8/15
3)2 7/9•3 3/5
4)2/9•3/10•7/8​

Answer 1

Ответ:

1) 14/3 - 21/8 = 112/24 - 63/24 = 49/24 = 2 1/24

2) 13/6 + 8/15 = 65/30 + 16/30 = 81/30 = 2 21/30

3) 25/9 × 18/5 = 5/1 × 2/1 = 5 × 2 = 10

4) 2/9 × 3/10 × 7/8 = 1/3 × 1/5 × 7/8 = 7/120

Answer 2

1) 4 2/3-2 5/8= (112-63)/24=49/24

2)2 1/6+8/15= (65+16)/30=81/30

3)2 7/9•3 3/5= 25/9•18/5=10

4)2/9•3/10•7/8​=7/60