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(x35oo)x3%=x5731

5000×(1+3%)x3% =5000x1.03x0.03 =5150x0.03 =154.

解:原式=50880/(1+3%)x3% =50880x3%/103% =50880x3/103

解: x(3%+1)=297700 103%x=297700 x=297700×100÷103

12000/(1十3%)X3% =12000÷(1+0.03)x0.03 =12000÷1.03

3400+[30900÷(1+3%)x3%] =3400+【30900÷1.03*0.03】 =

先把3%化成小数为0.03,然后再计算。30×3%=30×0.03=0.9。回答完毕。

这个二元一次方程组,不是用公式来解。手算都可以。用excel的话,就用规划求解功能。

(x-800)*17%/x=3% (x-800)*17%=3%x 17%x-136=3%x 14%x

x+3%x=103%x

1500x3%等于多少 1500x3% =1500x0.03 =45

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