Answer:
First one is 13×8
second one is 36×2
third one is 9×9=4
forth one is I don't know
6. 62
7. 72
8. 78
9. 57 = -4 ??
10. ??
Explanation:
6. 7*8 = 56, 56+6 = 62
7. 25+11 = 36, 36*2 = 72
8. 102-16-8 = 78
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