如题所述
41×9.9+4.1
=4.1×(99+1)
=4.1×100
=410
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=4.1×(99+1)
=4.1×100
=410
你好,本题已解答,如果满意
请点右上角“采纳答案”。
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第1个回答 2016-06-28
41x9.9+4.1
=4.1x99+4.1
=4.1x100
=410追答
=4.1x99+4.1
=4.1x100
=410追答
采纳吧
第2个回答 2016-06-28
41x9.9+4.1
=4.1x99+4.1
=4.1×(99+1)
=4.1x100
=410
=4.1x99+4.1
=4.1×(99+1)
=4.1x100
=410
第3个回答 2016-06-28
41×9.9+4.1
=41×9.9+41×0.1
=41×(9.9+0.1)
=41×10
=410
=41×9.9+41×0.1
=41×(9.9+0.1)
=41×10
=410