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X一0.36X二16
X一0.36X二32
x一0.3x二2.94
x-0.36x=3.2
x一0.3x=2.1
x一0.84x=3.2
x一0.25x二3
x-0.23x=2.31
x一0.3x二2.45怎么解答
x+0.23x=2.46
x-0.21x=3.95
x一0.54x=2.3
x一0.7x二3.6
x-0.3x=2.8
x-0.3x=2.94
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