К=182:7-9 4*P=288:4П*8=900-628

Question

К=182:7-9
4*P=288:4
П*8=900-628

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Answer 1

К=182:7-9 
к=26-9
к=17

4*P=288:4
4*р=72
р=72 :4
р=18

П*8=900-628
п*8=272
п=272:8
п=34