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简便计算,3.875*0.2+38.75*0.09-0.155*12.5

题目详情
简便计算,
3.875*0.2+38.75*0.09-0.155*12.5
▼优质解答
答案和解析
=0.775+3.4875-1.9375
=4.2625-1.9375
=2.325