简便计算56×34-34+46×34
56×34-34+46×34
=(56-1+46)×34
=101×34
=(100+1)×34
=100×34+1×34
=3400+34
=3434
=(56-1+46)×34
=101×34
=(100+1)×34
=100×34+1×34
=3400+34
=3434
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第1个回答 2016-12-14
56×34-34+46×34
=34X(56-1+46)
=34X101
=34X100+34
=3400+34
=3434
=34X(56-1+46)
=34X101
=34X100+34
=3400+34
=3434