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计算,能简算的要简算.288÷[(26-14)×8]39×99+39.75+228+2525×32×125101×9919×122+78×19

题目详情
计算,能简算的要简算.
288÷[(26-14)×8]39×99+39.     75+228+25
25×32×125   101×99    19×122+78×19
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答案和解析
(1)288÷[(26-14)×8]
=288÷[12×8]
=288÷96
=3;

(2)39×99+39
=39×(99+1)
=39×100
=3900;

(3)75+228+25
=75+25+228
=100+228
=328;

(4)25×32×125
=25×(4×8)×125
=(25×4)×(8×125)
=100×1000
=100000;

(5)101×99 
=(100+1)×99
=100×99+1×99
=9900+99
=9999;

(6)19×122+78×19
=(122+78)×19
=200×19
=3800.