直接写出得数.1.53-0.5=7.8+0.9=7.5-2.5=12÷0.4=0.56+4.44=2.9+3.7+2.1=4×0.25=1.25×5×8=7.6×8

发布时间:2020-07-31 08:35:27

直接写出得数. 1.53-0.5=7.8+0.9=7.5-2.5=12÷0.4=0.56+4.44=2.9+3.7+2.1=4×0.25=1.25×5×8=7.6×8+2.4×8=

网友回答

解:1.53-0.5=1.03,7.8+0.9=8.7,7.5-2.5=5,12÷0.4=30,0.56+4.44=5,
2.9+3.7+2.1=8.7,4×0.25=1,1.25×5×8=50,7.6×8+2.4×8=80.
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