Question

пожалуйста помогите номер 1338 и 1339 ​

Answer 1

Ответ:

1338.

1) 2 2/11×7/8:7/11 = 3

2) 3 2/3×4 7/8:13/16 = 22

3) 1 1/3×2 2/3:4/9 = 8

4) 6 4/15×1/2:3 2/15 = 1

5) 8 1/3×1 5/7:2 8/21 = 6

6) 1 5/6×3 3/5:2 1/5 = 3

1339.

1) (6 1/4-4 1/8)×4+3 1/3:2 1/2 = 9/4×4+10/3×2/5 = 9+4/3 = 10 1/3

2) (2 4/9+1 1/6)×1 4/5-3 1/9:2 1/3 = 65/18×9/5-28/9×3/7 = 6 1/2-4/3 = 5 1/6

3) (2-1 7/12):(3/8-1/6)×3 1/4 = 5/12×5/24×13/4 = 13/2 = 6,5

4) (7/10-2/5)×(1/4+5/6):6 1/2 = 3/10×13)12÷13/2 = 3/10×1/6 = 1/20 = 0,05