ФИ: _______________________________
Реши уравнения.
X + 7 = 10
X = 10 – 7
X = 3
Проверка
3 + 7 = 10
10=10
X – 10 = 60
X = ______
X = ______
Проверка
__________
__________
X – 8 = 12
X = ______
X = ______
Проверка
__________
__________
X + 10 = 40
X = ______
X = ______
Проверка
__________
__________
X + 3 = 23
X = ______
X = ______
Проверка
__________
__________
34 – X = 12
X = ______
X = ______
Проверка
__________
__________
15 – X = 9
X = ______
X = ______
Проверка
__________
__________
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