288÷((26-14)×8)
计算,能简算的要简算.288÷[(26-14)×8]39×99+39. 75+228+2525×32×125...
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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(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.
=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.
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