Сократите 12 х 21 х 25

Question

Сократите 12 х 21 х 25

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Answer 1

1)(12*21):(35*15)=252:525=252/525=12/25
2)(72*11):(33*30)=792:990=792/990=4/5
3)(25*17*44):(51*8*75)=18700:30600=187/306=11/18
4)8*3+8*23:(3*18)=24+184:54=208/54=104/27=3 23/27