2.76*54.45+3.01*91.1+54.45*3.26简算快_数学解答

2.76*54.45+3.01*91.1+54.45*3.26简算
快

人气：198 ℃　时间：2020-04-10 14:34:48

解答

=54.45x(2.76+3.26)+3.01x91.1
=54.45x6.02+91.1x3.01
=3.01x(54.45x2+91.1)
=3.01x(108.9+91.1)
=3.01x200
=602
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