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0.9-0.7= 5.4+0.6= 0.8×100= 3.2÷10=
4.5+5.5= 1-0.9= 7.56-4= 7.5÷100×10=
20-12.5= (53.8+46.2)×0= 88-28÷4=
2.5÷100= 7×6÷7×6= 0.28+0.54=
1-0.09= 5.4-4= 8÷1000= 7.4+3.6=
125×8= 6.7+4.33= 0.204×100= 101×92=
8.008 6km4m6.4km 0.02×102÷1
7.3 7.04T704kg 5cm20.05m2
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