早教吧作业答案频道 -->数学-->
简便计算142+586+358+11455×25+25×45(40+4)×2577×13-13×27104×3228×37+74×37-37×2195×201-19572×125930×48+7×480.
题目详情
简便计算 142+586+358+114 | 55×25+25×45 | (40+4)×25 |
77×13-13×27 | 104×32 | 28×37+74×37-37×2 |
195×201-195 | 72×125 | 930×48+7×480. |
简便计算 142+586+358+114 | 55×25+25×45 | (40+4)×25 |
77×13-13×27 | 104×32 | 28×37+74×37-37×2 |
195×201-195 | 72×125 | 930×48+7×480. |
简便计算 142+586+358+114 | 55×25+25×45 | (40+4)×25 |
77×13-13×27 | 104×32 | 28×37+74×37-37×2 |
195×201-195 | 72×125 | 930×48+7×480. |
142+586+358+114
55×25+25×45
(40+4)×25
142+586+358+114
55×25+25×45
(40+4)×25
142+586+358+114
55×25+25×45
(40+4)×25
▼优质解答
答案和解析
(1)142+586+358+114
=142+358+586+114
=(142+358)+(586+114)
=500+700
=1200;
(2)55×25+25×45
=(55+45)×25
=100×25
=2500;
(3)(40+4)×25
=40×25+4×25
=1000+100
=1100;
(4)77×13-13×27
=(77+27)×13
=100×13
=1300;
(5)104×32
=(100+4)×32
=100×32+4×32
=3200+128
=3328;
(6)28×37+74×37-37×2
=(28+74-2)×37
=100×37
=3700;
(7)195×201-195
=195×(201-1)
=195×200
=39000;
(8)72×125
=9×8×125
=9×(8×125)
=9×1000
=9000;
(9)930×48+7×480
=930×48+70×48
=(930+70)×48
=1000×48
=48000.
=142+358+586+114
=(142+358)+(586+114)
=500+700
=1200;
(2)55×25+25×45
=(55+45)×25
=100×25
=2500;
(3)(40+4)×25
=40×25+4×25
=1000+100
=1100;
(4)77×13-13×27
=(77+27)×13
=100×13
=1300;
(5)104×32
=(100+4)×32
=100×32+4×32
=3200+128
=3328;
(6)28×37+74×37-37×2
=(28+74-2)×37
=100×37
=3700;
(7)195×201-195
=195×(201-1)
=195×200
=39000;
(8)72×125
=9×8×125
=9×(8×125)
=9×1000
=9000;
(9)930×48+7×480
=930×48+70×48
=(930+70)×48
=1000×48
=48000.
看了 简便计算142+586+35...的网友还看了以下:
23+19=640-450=96÷3=44+49=80÷8=99÷9=84÷4=85+28=7.3 2020-04-07 …
口算.0.46-0.06=3.7+4.3=1+0.55=4.6-1.8=0.65+0.32=10- 2020-04-07 …
0.8×9=7.23.4×7.2=24.481.7×2=3.4根据算式列出0.8×9=7.23.4 2020-05-17 …
有理数的!1.(-6.91)*40+6.91*(-60)2.6.3*(-1/9)*(-3右4/7) 2020-06-11 …
9+2~9+98+3~8+9.7+4~7+9.6+5~6+9凑十法计算,该怎么算啊,9+2~9+9 2020-06-20 …
直接写出得数.5.7-3.8=7.4-4.9=2.8+5.7=36÷0.9=4.8÷0.6=34÷ 2020-07-09 …
1.0.3:12=2.0.25:4=3.2.8:0.7=4.2.1:1.2=5.0.1:0.8=6 2020-07-17 …
计算2+4=8-6=7+3=8+=164+10-3=9+7=10+9=8-8=+6=99-2-5= 2020-07-18 …
静静心,算一算39÷3=770÷7=8000÷4=24×5=108÷2=0÷8=12×40=480 2020-07-19 …
某高中男子体育小组的50m赛跑成绩(单位:s)如下:6.4,6.5,7.0,6.8,7.1,7.3 2020-07-26 …