anthonyjackson12aj
02.03.2020 •
Mathematics
-0.4a + 3 = 7
a=?
please help
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Ответ:
1. Do 19 + -23= -4
2. Do -48 + -80= -128
3. Do -17 + 20= 3
4. Your answers are -4, -128, and 3