решить уравнения 7 класс дают 80 баллов
(−12)−(5+6)=−2;
12+5=(+3)∙2+11;
16−(−1)=4−15;
1−18+3(0,25−4)=2−4.
(−12)−(5+6)=−2;
12+5=(+3)∙2+11;
16−(−1)=4−15;
1−18+3(0,25−4)=2−4.
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Answers & Comments
Объяснение:
-12 - (5 + 6) = -2
-12 - 11 = -2
-23 ≠ -2
12 + 5 = 3 * 2 + 11
17 = 17
16 - (-1) = 4 - 15
16 + 1 = -11
17 ≠ 11
1 - 18 + 3(0,25 - 4) = 2 - 4
1 - 18 + 0,75 - 12 = -2
-28,25 ≠ -2