巧算 20.13×0.1+0.5×201.3+0.049×2013
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巧算20.13×0.1+0.5×201.3+0.049×2013巧算20.13×0.1+0.5×201.3+0.049×2013巧算20.13×0.1+0.5×201.3+0.049×2013
巧算 20.13×0.1+0.5×201.3+0.049×2013
巧算 20.13×0.1+0.5×201.3+0.049×2013
巧算 20.13×0.1+0.5×201.3+0.049×2013
巧算 20.13×0.1+0.5×201.3+0.049×2013
简便计算 20.13×0.1+0.5×201.3+0.049×2013
20.13×0.1 0.5×201.3 0.049×2013怎么算
201×201-201巧算
巧算:0.1+0.2+0.3+0.4+0.5+0.6+0.7+0.8+0.9
巧算:7.24×0.1+0.5×72.4+0.049×724=
0.1-0.2+0.3-0.4+0.5-0.6+.+9.9-10+10.1巧算
巧算 22.01+20.03+20.05+20.07+20.09+20.11+20.1322.01+20.03+20.05+20.07+20.09+20.11+20.13
巧算(写出计算过程)0.1+0.3+0.5+0.9+1.1+...+9.7+9.9简便计算
0.52 x 201 巧算,拜托,快
(0.5+1.25)×1.6 巧算
巧算:0.1/0.1/0.1/.../0.1=(2009个0.1)
96*0.125*0.25*0.5巧算
40.5-(3.1×10+0.5)巧算
320x(1.25+2.5+0.5)巧算
320x(1.25+2.5+0.5)巧算
巧算!
巧算,