Вопрос школьника по предмету Математика
Выполни действия 4)6 4/15*1/2:3 2/15 5) 8 1/3*1 5/7:2 8/21. 6) 1 5/6*3 3/5:2 1/5
Ответ учителя по предмету Математика
4)6 4/15*1/2:3 2/15=94/15*1/2*15/47=47/15*15/47=1
5) 8 1/3*1 5/7:2 8/21=
25/3*12/7*21/50=25/3*18/25=6
6) 1 5/6*3 3/5:2 1/5=11/6*18/5*5/11=11/6*18/11=3
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