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11-03-2018
Mathematics
contestada
Please help with seven and eight or both
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Аноним
Аноним
11-03-2018
7a)
6 ÷ 4 = 4 ÷ 6
3/2 = 2/3 (False)
7b)
6- 4- 2 = 4 - 2 - 6
0 = -8 (False)
7c)
(6 + 7) + 8 = 6 + (7 + 8)
13 + 8 = 6 + 15
21 = 21 (True)
7d)
(6 - 4) + 5 = (6 - 5) + 4
2 + 5 = 1 + 4
7 = 5 (False)
8)
6(x + 3y + 5)
=
6x + 19y + 30 (Answer D)
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