简便计算四年级上册(带答案)

简便计算题（带答案）

(1)1234+700+300 （2）350+195+105+850 (3)132+(68+54)

(4)26+(89+74) （5）23×5×2 (6)147+89+53+11+36

(7)356-147-100-53 (8)287+36+13 (9)432-123-77

(10)435-(135+189) (11)317-49-11-40 (12)369-142-58

(13)6×(17×5) (14)4×51×25 (15)2×13×5×3

(16)12×25 (17)540÷45÷2 (18)200÷4÷5

(19)420÷(7×5) (20)800÷(20×8) (21)270÷45

(22)125×24 (23)380÷5÷2 (23)13×101

(24)56×67+56×33 (25)264×8+8×36 (26)(25+11)×40

(27)85×199+85 (28)48×59+59×52 (29)125×81-125

(30)58×99 (31)125×24×8 (32)28×39+28

(33)79×73+22×73-73


答案：


(1)1234+700+300 (2)350+195+105+850 (3)132+(68+54)
=1234+(700+300) =(350+850)+(105+195) =132+68+54
=1234+1000 =1200+300 =200+54
=2234 =1500 =254
(4)26+(89+74) (5)23×5×2 (6)147+89+53+11+36
=26+74+89 =23×(5×2) =(147+53)+(89+11)+36
=100+89 =23×10 =200+100+36
=189 =230 =336
(7)356-147-100-53 (8)287+36+13 (9)432-123-77
=356-(147+100+53) =287+13+36 =432-(123+77)
=356-300 =300+36 =432-200
=56 =336 =232
(10)435-(135+189) (11)317-49-11-40 (12)369-142-58
=435-135-189 =317-(49+11+40) =369-(142+58)
=300-189 =317-100 =369-200
=111 =217 =169
(13)6×(17×5) (14)4×51×25 (15)2×13×5×3
=6×5×17 =4×25×51 =13×(5×2)
=30×17 =100÷51 =13×10
=510 =5100 =130
(16)12×25 (17)540÷45÷2 (18)200÷4÷5
=25×4×3 =540÷(45×2) =200÷(4×5)
=100×3 =540÷90 =200÷20
=300 =6 =10
(19)420÷(7×5) (20)800÷(20×8) (21)270÷45
=420÷7÷5 =800÷8÷20 =270÷9÷5
=60÷5 =100÷20 =30÷5
=12 =5 =6
(22)125×24 (23)380÷5÷2 (23)13×101
=125×8×3 =380÷(5×2) =13×100+13×1
=1000×3 =380÷10 =1300+13
=3000 =38 =1313
(24)56×67+56×33 (25)264×8+8×36 (26)(25+11)×40
=56×(67+33) =(264+36)×8 =25×40+11×40
=56×100 =300×8 =1000+440
=5600 =24

00 =1440
(27)85×199+85 (28)48×59+59×52 (29)125×81-125
=85×(199+1) =(48+52)×59 =125×(81-1)
=85×200 =100×59 =125×80
=17000 =5900 =1000
(30)58×99 (31)125×24×8 (32)28×39+28
=58×100+58×1 =125×8×24 =28×(39+1)
=5800-58 =1000×24 =28×40
=5742 =24000 =1120
(33)79×73+22×73-73
=73×(79+22-1)
=73×100
=7300