Номер 1
Вычисли значения выражений.
7 * 4 = 28 8 * 3 = 24
6 * 7 = 42 8 * 4 = 32
9 * 3 = 27 8 * 6 = 48
5 * 8 = 40 3 * 7 = 21
6 * 9 = 54 7 * 8 = 56
4 * 8 = 32 5 * 3 = 15
45 : 9 = 5 32 : 4 = 8
24 : 6 = 4 54 : 9 = 6
18 : 9 = 2 49 : 7 = 7
20 : 5 = 4 36 : 9 = 4
27 : 3 = 9 42 : 6 = 7
63 : 7 = 9 12 : 4 = 3
Номер 2
7 * (15 – 6) = 36 64 – 20 – 16 = 28
78 – 58 + 2 = 22 42 : (13 – 6) = 6
45 : (18 : 2) = 5 48 : 6 * 4 = 32
Номер 3
Реши уравнения.
| x + 18 = 78
x = 78 – 18 x = 60 |
49 – x = 16
x = 49 – 16 x = 33 |
x – 25 = 19
x = 19 + 25 x = 44 |
Номер 4
- 39 + 47 = 86
- 61 – 18 = 43
- 80 – 34 = 46
- 53 + 29 = 82
- 72 – 43 = 29
