3.5×0.1= 3.6÷0.09= 200×0.04= 12÷1.2=
1.3×0.5= 0.42÷0.6= 3.2×0.5= 8y+6y=
2.5×1.4= 5.5÷11= 2.6×2-0.5= 5-0.6×2=
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