17.4×6×2.3的简便运算

如题所述

17.4×6×2.3
=17.4x2x3x2.3
=(17.4x2)x(3x2.3)
=34.8x6.9
=240.12
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第1个回答  2021-09-20
17.4×6×2.3
=17.4x2x3x2.3
=(17.4x2)x(3x2.3)
=34.8x6.9
=34.8(7-0.1)=243.6-3.48=240.12