Mathematics, 09.08.2021 06:40 slauravillalta
Trong các câu sau, câu nào là mệnh đề, câu nào là mệnh đề chứa biến?
a) 3 + 2 = 7 ; b) 4 + x = 3;
c) x + y > 1 ; d) 2 - √5 < 0
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Trong các câu sau, câu nào là mệnh đề, câu nào là mệnh đề chứa biến?
a) 3 + 2 = 7 ; b) 4 + x = 3;
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