Вопрос школьника по предмету Математика
магазин получил 100 линеек. Они из ник длинной 20 см другие 30см. Общая длинна 22м. Ск. линеек длинной 20см?
ПОМОГИТЕ!! SOS! SOS!
Ответ учителя по предмету Математика
4 линейки
ответ 4 линейки длиной 20 см
100 +20÷30=4
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