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235x12.1+235x42.2-135x54.3简便运算

题目详情
235x12.1+235x42.2-135x54.3 简便运算
▼优质解答
答案和解析
235x12.1+235x42.2-135x54.3
=235×(12.1+42.2)-135x54.3
=235×54.3-135x54.3
=54.3×(235-135)
=54.3×100
=5430