解决问题的策略(1)
0.0780.0540.630.560.3950.650.722.20.363.20.70.723.30.754.80.370.4962.0
解决问题的策略(2)
3.30.165.53.43.93.60.30.40.0390.09930.340.0960.642.60.910.960.26
解决问题的策略(3)
448.1210.60.0667.80.660.420.05760.0840.214.90.60.520.7434.20.54
解决问题的策略(4)
54.25.80.810.690.080.62246.20.0850.0760.08473.73.26.40.86310.16
分数四则混合运算(1)
3/21/75/49525/71/361/64/155/81/164
分数四则混合运算(2)
3/81/127/121/124/305/271/96/2516/55/9
分数四则混合运算(3)
15/41/702/31/45/166/25104/925
分数四则混合运算(4)
3/23/215/815/815/81/81/8664/34/910
分数四则混合运算(5)
1/1821/411/817/81/83/55/941/23/49
分数四则混合运算(6)
16491/  |
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