试题与答案

我是计算小能手.3500-(125+42)×15(480+20×4)÷22100

题型:解答题

题目:

我是计算小能手.
3500-(125+42)×15
(480+20×4)÷22100÷70+14×50200×52÷(100÷20)
130÷(26×5-65)1008÷(8×9)205-5×(8+20)204-(5×8+20)

答案:

(1)3500-(125+42)×15,

=3500-167×15,

=3500-2505,

=995;

(2)(480+20×4)÷2,

=(480+80)÷2,

=560÷2,

=280;

(3)2100÷70+14×50,

=30+700,

=730;

(4)200×52÷(100÷20),

=200×52÷5,

=10400÷5,

=2080;

(5)130÷(26×5-65),

=130÷(130-65),

=130÷65,

=2;

(6)1008÷(8×9),

=1008÷72,

=14;

(7)205-5×(8+20),

=205-5×28,

=205-140,

=65;

(8)204-(5×8+20),

=204-(40+20),

=204-60,

=144.

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