问题 解答题

计算下面各题,能简便的要用简便运算

(1)5044÷26×27

(2)47×99+47

(3)326+437+174+663

(4)(40+6)×25

(5)88×25

(6)6080÷[(416+24×8)÷8].

答案

(1)5044÷26×27,

=194×27,

=5238;

(2)47×99+47,

=47×(99+1),

=47×100,

=4700;

(3)326+437+174+663,

=(326+174)+(437+663),

=500+1100,

=1600;

(4)(40+6)×25,

=40×25+6×25,

=1000+150,

=1150;

(5)88×25,

=(22×4)×25,

=22×(4×25),

=22×100,

=2200;

(6)6080÷[(416+24×8)÷8],

=6080÷[(416+192)÷8],

=6080÷[608÷8],

=6080÷608×8,

=10×8,

=80.

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