Виконай дії.
2 • 6 + 8 = 2 • 9 + 4 = 2 • 7 - 5 =
2 • 2 + 2 = 2 • 2 + 2 = 2 • 7 – 6 =
2 • 2 – 2 = 2 • 2 + 30 = 2 • 7 + 7 =
2 • 5 + 27 = 2 • 5 + 15 = 2 • 7 – 4 =
2 • 6 + 16 = 2 • 9 - 10 = 2 • 8 + 18 =
2 • 3 + 60 = 2 • 8 – 4 = 2 • 5 + 20 =
2 • 9 – 9 = 2 •7 + 36 = 2 • 5 + 15 =
2 • 4 – 6 = 2 • 5 – 4 = 2 • 9 - 11 =
2 • 6 – 6 = 3 • 2 + 40 = 2 • 4 + 44 =
Розв’яжи приклади.
2 · 2 + 10 = 3 · 3 – 8 = 2 ·5 + 11 =
2 · 6 + 18 = 3 · 4 – 12 = 2 · 8 + 4 =
2 · 9 + 22 = 3 · 6 – 10 = 3 · 7 – 11 =
2 · 3 + 12 = 3 · 9 – 7 = 2 · 3 + 20 =
2 · 7 + 16 = 2 · 1 + 19 = 2 · 4 + 13 =
2 · 10 + 5 = 3 · 5 – 6 = 3 · 8 – 15 =
3 · 10 – 14 = 3 · 2 + 6 = 3 · 3 + 11 =
Устав пропущені числа.
2 · __ = 6 3 · __ = 6 __ · 3 = 9
__ · 4 = 12 __ · 5 =15 __ · 5 = 10
2 · __ = 14 3 · __ = 18 __ · 9 = 18
__ · 8 = 24 __ · 2 = 8 __ · 10 = 30
Обчисли.
16 : 2 + 28 = 14 : 2 + 34 =
12 : 2 + 10 = 8 : 2 + 43 =
16 : 2 – 8 = 18 : 2 + 36 =
12 : 4 – 3 = 6 : 2 + 48 =
14 : 2 + 14 = 18 : 2 – 8 =
10 : 2 + 55 = 8 : 2 + 90 =
Розв’яжи приклади.
2 • 9 + 7 = 3 • 8 – 10 = 3 • 5 + 12 =
2 • 8 + 8 = 3 • 9 – 12 = 18 : 2 + 10 =
18 : 3 + 14 = 21 : 3 + 7 = 12 : 3 + 12 =
3 • 2 = 3 • 7 = 12 : 3 = 31 : 3 =
3 • 4 = 3 • 9 = 27 : 3 = 6 : 3 =
3 • 3 = 3 • 8 = 18 : 3 = 15 : 3 =
3 • 5 = 3 • 6 = 9 : 3 = 24 : 3 =
Обчисли.
25 : 5 • 3 = 45 : 5 – 9 =
30 : 5 + 20 = 15 : 5 • 6 =
20 : 5 • 9 = 35 : 5 – 7 =
8 : 2 + 16 = 30 : 3 – 10 =
20 • 2 + 20 = 9 : 3 + 87 =
12 : 3 + 34 = 14 • 2 + 6 =
21 : 3 + 22 = 10 : 2 + 25 =
18 : 2 + 41 = 15 : 3 + 50 =