4.8-8.3 7.6-6.7 8.3-3.8 54-24:6+ 40 90-21+42:7 35-30:5+25

4 · 8 = 32

8 · 3 = 24

7 · 6 = 42

6 · 7 = 42

8 · 3 = 24

3 · 8 = 24

54 - 24 : 6 + 40 = 54 - 4 + 40 = 90

90 - 21 + 42 : 7 = 90 - 21 + 6 = 75

35 - 30 : 5 + 25 = 35 - 6 + 25 = 54

Ответ: 4 · 8 = 32; 8 · 3 = 24; 7 · 6 = 42; 6 · 7 = 42; 8 · 3 = 24; 3 · 8 = 24; 54 - 24 : 6 + 40 = 90; 90 - 21 + 42 : 7 = 75; 35 - 30 : 5 + 25 = 54.