如题所述
67x34å31x34å34
=ï¼67+31+1ï¼x34
=99x34
=100Ã34-34
=3400-34
=3366
=ï¼67+31+1ï¼x34
=99x34
=100Ã34-34
=3400-34
=3366
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第1个回答 2015-07-10
解：67×34+31×34+34
原式=67×34+31×34+1×34
=(67+31+1)×34
=99×34
=(100-1)×34
=34×100-34×1
=3400-34
=3366
喵=￣ω￣=
原式=67×34+31×34+1×34
=(67+31+1)×34
=99×34
=(100-1)×34
=34×100-34×1
=3400-34
=3366
喵=￣ω￣=
