用简便方法计算下面各题.
125×88
38×29+38
76×25+25×24
38×125×8×3.
人气:305 ℃ 时间:2020-02-04 18:53:13
解答
(1)125×88
=125×8×11
=(125×8)×11
=1000×11
=11000
(2)38×29+38
=38×(29+1)
=38×30
=1140
(3)76×25+25×24
=(76+24)×25
=100×25
=2500
(4)38×125×8×3
=(38×3)×(125×8)
=114×1000
=114000
推荐
- 5.76÷0.25+4.24×4 简便计算
- 简便计算;3.24×4分之1+0.25×4.76
- 76*25的简便计算
- 8.25*0.24+1.76简便计算
- (24+24+24+24)×25的简便运算
- 为什么集邮在世界各地都有爱好者,为什么集邮
- I watched her ___(dance) in the classroom when I passed yesterday.I can watch her _(dance)every day
- 在三角形ABC中,a,b,c是角A,B,C的对边,若a,b,c成等比数列,A=60°,则b*sinB/c等于?
猜你喜欢