Răspuns
Explicație pas cu pas:
9=²
15=3x5
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cmmmc=3²x5=45 cmmdc==3
12=2²x3
14=2x7
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cmmmc=2²x3x7=84 cmmdc=2
16=2⁴
6=2x3
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cmmmc=2⁴x3=48 cmmdc=2
15=3x5
30=2x3x5
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cmmmc=2x3x5=30 cmmdc=3x5=15