问题 解答题
用递等式计算下面各题.
(125+13×24)×5
(98-121÷11)÷2921×(230-192÷4)
(470+35×3)÷23 2600÷(1280-15×72)3774÷37×(65+35)
答案

(125+13×24)×5

=(125+312)×5,

=437×5,

=2185;

(98-121÷11)÷29

=(98-11)÷29,

=87÷27,

=3;

21×(230-192÷4)

=21×(230-68),

=21×162,

=3402;

(470+35×3)÷23

=(470+105)÷23,

=575÷23,

=25;

2600÷(1280-15×72)

=2600÷(1280-1080),

=2600÷200,

=13;

3774÷37×(65+35)

=102×100,

=10200.

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