6.3+3.7= 8.6-0.6= 0.6+1.2= 0.7×0.6=
0.9÷3= 0.34×2= 2.5×4= 3.6÷2=
0.26×100= 8.9-4.9= 3.2÷0.8= 5-0.7=
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