问题 解答题
6854-(893+854+107)(8300-6500)÷(15×60)28×19×25
327×9954000÷8÷125(105×46-2427)÷27.
答案

(1)6854-(893+854+107),

=6854-854-(893+107),

=6000-1000,

=5000;

(2)(8300-6500)÷(15×60),

=1800÷900,

=2;

(3)28×19×25,

=4×7×19×25,

=(4×25)×(7×19),

=100×133,

=13300;

(4)327×99,

=327×(100-1),

=327×100-327×1,

=32700-327,

=32373;

(5)54000÷8÷125,

=54000÷(8×125),

=54000÷1000,

=54;

(6)(105×46-2427)÷27,

=(4830-2427)÷27,

=2403÷27,

=89.

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