小五代數數學問題

2009-08-06 6:36 am
0.2 (G+1.3) = 7.2
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回答 (5)

2009-08-06 6:38 am
✔ 最佳答案
0.2(G+1.3)=7.2
(G+1.3)=7.2/0.2
G+1.3=36
G=36-1.3
G=34.7
2009-08-07 6:48 pm
設該數是G
0.2(G+1.3)/0.2=7.2/0.2
G+1.3-1.3=36-1.3
G=34.7
2009-08-07 3:14 am
0.2 (G+1.3) = 7.2
=>0.2(1.3)+0.2G=7.2
=>0.26+0.2G=7.2
=>0.26+0.2G-0.26=7.2-0.26
=>0.2G=6.94
=>0.2G*5=6.94*5
=>G=34.7
Check:
0.2 (G+1.3) = 7.2
":"0.2(34.7+1.3)=7.2":"
=>0.2(36)=7.2
=>7.2=7.2
Is right.
參考: Hope I Can Help You^_^
2009-08-06 7:20 pm
0.2G + 0.2 X 1.3 = 7.2
0.2G + 0.26 = 7.2
0.2G = 7.2 - 0.26
0.2 G = 6.94
G = 34.7
2009-08-06 7:26 am
0.2G+1.3x0.2=7.2
0.2G+0.26=7.2
0.2G+0.26-0.26=7.2-0.26
0.2G/0.2=6.94/0.2
G=34.7
參考: ME


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