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.