Մաթեմատիկա նախագիծ

56) 4-1=3, 24:3=8, 8×4=32:

14) 4575:3=1525

35) 32×166=5312, 7203-515=6688, 6688-5312=1376

76) 7×5=35 640-35=605 4+7=11 605:11=55 55+5=60

45) 42×70:2=1470

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