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(1.65×2+1.56×3×45−950)×0.3÷0.5.

题目详情
(1.65×2+1.56×3×
4
5
9
50
)×0.3÷0.5.
▼优质解答
答案和解析
(1.65×2+1.56×3×
4
5
-
9
50
)×0.3÷0.5
=(1.65×2+1.56×3×0.8-0.18)×0.3÷0.5
=(3.3+3.744-0.18)×0.3÷0.5
=6.864×0.3÷0.5
=2.0592÷0.5
=4.1184.