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简便计算:4.7×0.35+0.47×4.2+0.047×23.

题目详情
简便计算:
4.7×0.35+0.47×4.2+0.047×23.
▼优质解答
答案和解析
4.7×0.35+0.47×4.2+0.047×23
=4.7×0.35+4.7×0.42+4.7×0.23
=4.7×(0.35+0.42+0.23)
=4.7×1
=4.7.