解方程 ①9.6÷X=0.3 ②0.36-3x=0.12 ③0.9X=63.
①9.6÷x=0.3,
x=9.6÷0.3,
x=32;
②0.36-3x=0.12,
3x=0.36-0.12,
3x÷3=0.24÷3,
x=0.08;
③0.9x=63,
0.9x÷0.9=63÷0.9,
x=70.
x=9.6÷0.3,
x=32;
②0.36-3x=0.12,
3x=0.36-0.12,
3x÷3=0.24÷3,
x=0.08;
③0.9x=63,
0.9x÷0.9=63÷0.9,
x=70.
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