Вопрос школьника по предмету Математика
№1
3х = 6 (Б)
7 — х = 3 (Г)
31х=39 ?
№2
а) 16 — х = 10 3х 18
13 + х = 15 10-х 8
2х = 8 20 : х ?
б) В 2+х=6 12
Б 13-х=10 6
Д 8х=40 ?
Ответ учителя по предмету Математика
1. 2
4
39/31
2. Там умножение? (10*3х*18) или что?
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