Выполните сложение:
7+2/3 +4 5/6 + 2 1/4
= 7 + 2/3 + 29/6 + 9/4
= 59/4 = 14 3/4.
Выполните вычитание:
5-(2 1/8-(1 3/8 - 3/4)-5/8
= 5 - 17/8 - (11/8 - 3/4) - 5/8
= 5 - 17/8 - 5/8 - 5/8
= 13/8 = 1 5/8
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Выполните сложение:
7+2/3 +4 5/6 + 2 1/4
= 7 + 2/3 + 29/6 + 9/4
= 59/4 = 14 3/4.
Выполните вычитание:
5-(2 1/8-(1 3/8 - 3/4)-5/8
= 5 - 17/8 - (11/8 - 3/4) - 5/8
= 5 - 17/8 - 5/8 - 5/8
= 13/8 = 1 5/8