Предмет: Математика, автор: goga25102003

найти значение выражения а)4 3/10+5/12= б)5/8+2/3=

Ответы

Автор ответа: Krisloran1

а)4 3/10+5/12433+512=
домножаем первую дробь на 4
17212+512=17712=14,75
б)5/8+2/3=домножаем 1 дробь на 3, а вторую на 8
1524+1624=3124 ( поделить нельзя, только в виде дроби можно записать)

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