Найдите значение выражений
1) (1 4/5+1/4)*200
2) (1 4/5 + 5 2/3)*468,75
3) (7 1/2 + 2 1/3)*3
1) (1 4/5+1/4)*200
2) (1 4/5 + 5 2/3)*468,75
3) (7 1/2 + 2 1/3)*3
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Answers & Comments
2)(1 4/5+5 2/3)*468.75=(9/5+17/3)*468.75=112/15*468,75=3500
3)(7 1/2+2 1/3)*3=(15/2+7/3)*3=59/6*3=59/2=29 1/2