Вопрос школьника по предмету Математика
решите по действиям : (57*2целых13*56-1):(1-78*1целых35*314)= ?
Ответ учителя по предмету Математика
1)5/7*7/3*5/6=25/18
2)25/18-1=7/18
3)7/8*8/5*3/14=3/10
4)1-3/10=7/10
5)7/18:7/10=7/18*10/7=5/9
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