Вычисли устно и запиши ответы

a)

1. \(12\cdot4 =\) [ ] .
2. \(3\cdot 14 = \) [ ] .
3. \(14\cdot5 =\) [ ] .
4. \(16\cdot4=\) [ ] .
5. \(5\cdot17=\) [ ] .
6. \(72 : 8=\) [ ] .
7. \(42 : 3 =\) [ ] .
8. \(45 : 15 =\) [ ] .
9. \(75 : 15=\) [ ] .
10. \(90 : 15=\) [ ] .
11. \(60 : 15=\) [ ] .

б)

1. \(84 : 4=\) [ ] .
2. \(60 : 4 =\) [ ] .
3. \(90 : 2 =\) [ ] .
4. \(52 : 2 =\) [ ] .
5. \(75:3=\) [ ] .
6. \(48 : 3=\) [ ] .
7. \(56 : 4=\) [ ] .
8. \(60 : 12=\) [ ] .
9. \(48 : 12=\) [ ] .
10. \(36 : 12=\) [ ] .
11. \(72 : 12=\) [ ] .

в)

1. \(13\cdot5=\) [ ] .
2. \(70 : 2 =\) [ ] .
3. \(7\cdot 12=\) [ ] .
4. \(66 : 3=\) [ ] .
5. \(70 : 5 =\) [ ] .
6. \(18\cdot6=\) [ ] .
7. \(51 : 3=\) [ ] .
8. \(42 : 14=\) [ ] .
9. \(70 : 14=\) [ ] .
10. \(84 : 12=\) [ ] .
11. \(96 : 12=\) [ ] .