1. 4
2. 18
3. 14
4. 22
5. 17
6. 15
7. 23
8. 16
9. 60
10. 9
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Answers & Comments
1. 4
2. 18
3. 14
4. 22
5. 17
6. 15
7. 23
8. 16
9. 60
10. 9
2)7+8=15+3=18
3)5+2×2=14 см
4)34-12=22
5)17+6=23
6)5×3=15
7)43-20=23
8)4×4=16
9)54+6=60
10)45÷5=9