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下面各题怎样算简便就怎样算.12÷(13+34)59÷126+49×26917×(51+17
问题详情
下面各题怎样算简便就怎样算.
参考答案
(1)12÷(13+34)
=12÷1312
=11113;
(2)59÷126+49×26
=(59+49)×26
=1×26
=26;
(3)917×(51+1727)-1727
=917×51+917×1727-1727
=27+13-1727
=2713-1727
=26827;
(4)(2-910÷35)÷56
=(2-112)÷56
=12÷56
=35;
(5)167-13÷712-27
=167-(47+27)
=167-67
=1;
(6)(12×6+56÷27)÷110
=(3+21112)÷110
=51112÷110
=5916.
考点: