如题所述
3.3x1/3 5、5x1/10 10.5x1/5 7.5×1/3 6.5×1/5 9.6×1/3 10.8×1/6 4.9 × 1/7 13.5 ×1/5 36×1/6追问
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第1个回答 2014-09-07
0.1*1/2=
0.4*2/5=
0.63*7/9=
0.88*5=
1.2*7/48=
3.4*2/12=
7.2*3/48=
2.5*3/5=
1/4*4/7=
6.8*2/9=
0.4*2/5=
0.63*7/9=
0.88*5=
1.2*7/48=
3.4*2/12=
7.2*3/48=
2.5*3/5=
1/4*4/7=
6.8*2/9=
