Вопрос школьника по предмету Математика
15:0,75+? рещение в столбик
Ответ учителя по предмету Математика
15:0,75=1500:75=20
или так:
15·4 5·4
15:0,75=15:3/4=15·4/3=——— =———— =20/1=20 3 1
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10 I _______________ (work) on this problem for hours, but I still haven’t solved it.