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能告诉我-二分之三是怎么做出来的吗？
Date Posted: 5 years ago
Views: 385
为了把 -2x/3 变成 x, 所以乘于 -3/2
换另一个方式来解的话，
-2x/3 = 6
-2x = 6 x 3
-2x = 18
x = 18/(-2) = -9
换另一个方式来解的话，
-2x/3 = 6
-2x = 6 x 3
-2x = 18
x = 18/(-2) = -9
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希望有帮助！
Date Posted:
5 years ago
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