x=24÷8, x=3
x=1.2*2, 态握 x=2.4
(6-4)x=20.2, 2x=20.2, x=10.1
x+3.7=144÷12, x+3.7=12, x=12-3.7, x=8.3
5x=42+33, 5x=75, x=15
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