题目内容

算一算,比一比
1.24+0.56=
0.8-0.51=48×0.2=3.84÷1.2=
12.4+0.56=0.08-0.056=0.48×2=0.384÷0.12=
1.24+0.56=1.80.8-0.51=0.2948×0.2=9.63.84÷1.2=3.2
12.4+0.56=12.960.08-0.056=0.0240.48×2=0.960.384÷0.12=3.2
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