题目内容

简算.
146+155+254+45
1762-73-127
101×285600÷35
73×68+32×73142×59-42×59
999×999+999125×32×25.
(1)146+155+254+45
=(146+254)+(155+45)
=400+200
=600;

(2)1762-73-127
=1762-(73+127)
=1762-200
=1562;

(3)101×28
=100×28+1×28
=2800+28
=2828;

(4)5600÷35
=5600÷7÷5
=800÷5
=160;

(5)73×68+32×73
=73×(68+32)
=73×100
=7300;

(6)142×59-42×59
=59×(142-42)
=59×100
=5900;

(7)999×999+999
=999×(999+1)
=999×1000
=999000;

(8)125×32×25
=(125×8)×(4×25)
=1000×100
=100000.
练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网