-
281.4×1-(281.4×(G/100))=271.83
281.4×(1-G/100)=271.83
100/100-G/100=271.83÷281.4
(100-G)/100≈0.96599147121535
100-G≈96.599147121535
G≈3.400852878465
-
281.4-(281.4×(G/100))=271.83
281.4-281.4G/100=271.83
两边同时乘以100得
28140-281.4G=27183
两边同时乘以10得
281400-2814G=271830
移项得
2814G=281400-271830
2814G=9570
两边同时除以6
469G=1595
G=1595/469
因为:1595=5*319
469=7*67
所以1595/469是最简分数
所以G=1595/469 -
281.4-281.4*G/100=271.83
281.4*G/100=281.4-271.83
281.4G=957
G=957/281.4
G=1595/469
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