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(203.4+72.2)÷(1.3×0.2)用简便方法计算

题目详情
(203.4+72.2)÷(1.3×0.2)用简便方法计算
▼优质解答
答案和解析
(203.4+72.2)÷(1.3×0.2)
=275.6÷(1.3×0.2)
=275.6÷1.3÷0.2
=275.6÷0.2÷1.3
=1378÷1.3
=1060