题目内容
| x×15=75 | 54×x=216 | x+524=1078 |
| x-524=1078 | 504÷x=9 | x÷150=30 |
| 40×x=1800 | 1782÷x=33 |
①x×15=75,
x×15÷15=75÷15,
x=5;
②54×x=216,
54×x÷54=216÷54,
x=4
③x+524=1078,
x+524-524=1078-524,
x=554;
④x-524=1078,
x-524+524=1078+524,
x=1602;
⑤504÷x=9,
504÷x×x=9×x,
9x=504,
x=56;
⑥x÷150=30,
x÷150×150=30×150,
x=4500;
⑦40×x=1800,
40×x÷40=1800÷40,
x=45;
⑧1782÷x=33,
1782÷x×x=33×x,
33x=1782,
33x÷33=1782÷33,
x=54.
x×15÷15=75÷15,
x=5;
②54×x=216,
54×x÷54=216÷54,
x=4
③x+524=1078,
x+524-524=1078-524,
x=554;
④x-524=1078,
x-524+524=1078+524,
x=1602;
⑤504÷x=9,
504÷x×x=9×x,
9x=504,
x=56;
⑥x÷150=30,
x÷150×150=30×150,
x=4500;
⑦40×x=1800,
40×x÷40=1800÷40,
x=45;
⑧1782÷x=33,
1782÷x×x=33×x,
33x=1782,
33x÷33=1782÷33,
x=54.
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