1) 7 · (5+8) = 7 · 5 + 7 · 8
2) 15 · (12 - 5) = 7 · 15
3) (8 - 6m) · 11 = 88 - 66m
4) (15+ a) · 4 = 60 + 4a
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Answers & Comments
1) 7 · (5+8) = 7 · 5 + 7 · 8
2) 15 · (12 - 5) = 7 · 15
3) (8 - 6m) · 11 = 88 - 66m
4) (15+ a) · 4 = 60 + 4a