Help to decide examples to calculate and check division by multiplication 99:33;84:7;56:2;72:3

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99:33=3 84:7=12 56:2=28 72:3=2499:33=3 33*3=99 84:7=12 12*7=84 56:2=28 28*2=56 72:3=24 24*3=72
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