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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.
简便计算
142+586+358+114       
55×25+25×45           
(40+4)×2577×13-13×27       104×32       28×37+74×37-37×2195×201-195      72×125       930×48+7×480.简便计算
142+586+358+114       
55×25+25×45           
(40+4)×25简便计算
142+586+358+114       

55×25+25×45           

(40+4)×25
77×13-13×27       104×32       28×37+74×37-37×277×13-13×27       104×32       28×37+74×37-37×2195×201-195      72×125       930×48+7×480.195×201-195      72×125       930×48+7×480.
▼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.