Предмет: Математика, автор: nicshiler

сколько четвёртых в одной второй ?
сколько двадцатых в одной второй?
сколько тридцатых в одной третей?

Ответы

Автор ответа: Trover
0
frac12:frac14=frac12cdotfrac41=2\frac13:frac1{30}=frac13cdotfrac{30}1=10
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