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2.4,7.2,21.6,( ),194.4 找规律,在括号里填数
人气:167 ℃ 时间:2019-10-04 05:31:30
解答
2.4,7.2,21.6,(64.8 ),194.4
7.2÷2.4=3;
21.6÷7.2=3;
64.8÷21.6=3;
194.4÷64.8=3;
后面一位是前面一位的3倍;
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如果本题有什么不明白可以追问,还有2道,多谢啦在哪啊1.02,1.12,1.32,1.62(),2.52在发1.02,1.12,1.32,1.62(2.02),2.52

1.12-1.02=0.1;
1.32-1.12=0.2;
1.62-1.32=0.3;
()-1.62=0.4;
∴()=2.02;
2.52-2.02=-0.5;8.5,16.9,33.7,67.3( )268.9麻烦了8.5,16.9,33.7,67.3(134.5 )268.9

16.9-8.5=8.4;
33.7-16.9=16.8;16.8=8.4×2;
67.3-33.7=33.6;16.8×2=33.6;
()-67.3=67.2; 33.6×2=67.2;
∴()=134.5;
268.9-134.5=134.4;67.2×2=134.4;
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