题目内容
750+708×32
253×203-103×253
3060÷36-322÷46
(25+73÷73+25)×101
3796÷52×26-1203
17×23+23×83.
253×203-103×253
3060÷36-322÷46
(25+73÷73+25)×101
3796÷52×26-1203
17×23+23×83.
(1)750+708×32,
=750+22656,
=23406;
(2)253×203-103×253,
=253×(203-103),
=253×100,
=25300;
(3)3060÷36-322÷46,
=85-7,
=78;
(4)(25+73÷73+25)×101,
=(25+1+25)×101,
=51×(100+1),
=51×100+51×1,
=5100+51,
=5151;
(5)3796÷52×26-1203,
=73×26-1203,
=1898-1203,
=695;
(6)17×23+23×83,
=(17+83)×23,
=100×23,
=2300.
=750+22656,
=23406;
(2)253×203-103×253,
=253×(203-103),
=253×100,
=25300;
(3)3060÷36-322÷46,
=85-7,
=78;
(4)(25+73÷73+25)×101,
=(25+1+25)×101,
=51×(100+1),
=51×100+51×1,
=5100+51,
=5151;
(5)3796÷52×26-1203,
=73×26-1203,
=1898-1203,
=695;
(6)17×23+23×83,
=(17+83)×23,
=100×23,
=2300.
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