问题
解答题
求未知数x
|
答案
①x-52=148,
x-52+52=148+52,
x=200;
②x×36=720,
x×36÷36=720÷36,
x=20;
③2100÷x=35,
2100÷x×x=35×x,
2100=35x,
2100÷35=35x÷35,
x=60.
求未知数x
|
①x-52=148,
x-52+52=148+52,
x=200;
②x×36=720,
x×36÷36=720÷36,
x=20;
③2100÷x=35,
2100÷x×x=35×x,
2100=35x,
2100÷35=35x÷35,
x=60.