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sergeimontik

Ответ: в) 63

г)43

Пошаговое объяснение:

в)8 3/17 * 5 1/4 + 3 14/17* 5 1/4= (8 3/17+3 14/17)*5 1/4=12*5,25=63

г)3 4/13*15 3/41 - 3 4/13*2 3/41= 3 4/13(15 3/41-2 3/41)= 3 4/13*13/1 = 43/13*13/1, сокращаем и получаем 43. Целая часть отделена от дробной пробелом, не запутайся, а если что - то непонятно - спрашивай

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