определи верные равенства
Верных ответов: 3
–2(m – n) + 3(m + n) = m + 5n
3(m + n) – 2(m – n) = 5m +5n
(3 – 1,2x) – (2,4 + 0,6x) = 0,6 – 1,8x
(0,4 – x) – (1 – x) = –1,4
0,2(a – b) + 2(–b + a) = 2,2a + 2,4b
–(a + b) – 2(a – b) = –3a + b
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