16×25=2×2×2×2×5×5=2×5×2×5×2×2=
10×10×4=400
25×36=5×5×2×2×3×3=10×10×9=900
<span>79/6 = 13,17; 87/7 = 12,4; 53/3 = 17,7; 55/4 = 13,75; 697/3 = 232,3; 489/6 = 81,5; 605/6 = 100,8; 642/8 = 80,25; 843/8 = 105,4; 218/7 = 31,1; 887/4 = 221,8.</span>
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Б)160×76-56650÷55+9571
12160-1030+9571=20701
а)(4в куб +14в кв)÷13=
(64+196):13=20
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