问题 解答题
脱式计算.
940-200÷5×18
(39+29×13)÷4
62×(183-56)45×1084+417.
答案

(1)940-200÷5×18

=940-40×18

=940-720

=220;

(2)(39+29×13)÷4

=(39+377)÷4

=416÷4

=104;

(3)62×(183-56)

=62×127

=7874;

(4)45×1084+417

=48780+417

=49197.

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