2018人教版四年级下册数学简便计算题(270题A4打印版附答案)(共18页).doc
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2018人教版四年级下册数学简便计算题(270题A4打印版附答案)(共18页).doc
精选优质文档-倾情为你奉上四年级下册数学简便计算题第一类:加65+73+135 357+288+143 272+68+28129+235+171+165 17+145+23+35 999+99+9+3 6+7+8+102+103+104 9998+3+99+998+3+9 第二类:减400-256-44 517-53-47 284-159-41 258-42-16 545-167-145 478-47-178 344-(144+37) 236-(177+36) 第三类:乘45×4×5 23 ×5×2 25×9×48×(125×13) (250×125)×(4×8) 88×12572×125 125×64×25 42×125×8×525×4×88×125第四类:乘(12+50)×40 125×(40-4) 76×10318×125 25×44 42×25 99×999×78第五类:乘45×37+37×55 28×21+28×79 17×23-23×738×46+64×38 99×32+32 46+46×59167×2+167×3+167×5 39×8+6×39-39×428×225-2×225-6×225 (42+25)×125+(18+15)×12523×2×4+25×4×2+27×1×8+25×8×1 99×22+33×34第六类:除 360÷4÷9 250÷5÷2 600÷12÷5800÷5÷8 480÷5÷48 240÷5÷12420÷35 2400÷25 7800÷12第七类:加减92+99 197+102 354-108405-99 127-98 323+189-123248+86-48 672-36+64 (6467-832)+(1832-1467)1530+(592-530)-192 (2+4+6+98+100)-(1+3+5+97+99)第八类:乘除 960×46÷48 99000÷121×11 3702×38÷1234 640÷(16÷4) 1000÷(125÷4)第九类:加减乘除(98+147)÷49 (230-23)÷23 (250-25)÷25 1736÷28+1064÷28 125×(860+240÷12) 700+612÷12×4 (37+15)×85+1360 2005×-2006×42×125×8×5 25×4×88×125(12+50)×40 125×(40-4) 86×10318×125 25×44 42×25 99×9 99×78 45×38+38×5528×21+28×79 37×23-23×7 38×46+64×3899×32+32 46+46×59 167×2+167×3+167×539×8+6×39-39×4 28×225-2×225-6×225(42+25)×125+(18+15)×125 65+73+135 357+288+143272+68+28 129+235+171+165 17+145+23+35 400-256-44 517-53-47 284-159-41 258-42-16545-167-145 478-47-178 344-(144+37)236-(177+36) 45×4×5 23 ×5×225×9×4 8×(125×13) (250×125)×(4×8)88×125 72×125 125×64×2542×125×8×5 25×4×88×125 (12+50)×40125×(40-4) 76×103 18×12525×44 42×25 99×9 99×7845×37+37×55 28×21+28×79 17×23-23×738×46+64×38 99×32+32 46+46×59167×2+167×3+167×5 39×8+6×39-39×4 360÷4÷9250÷5÷2 600÷12÷5 800÷5÷8 480÷5÷48240÷5÷12 420÷35 117+392+608 88×2727×1287×5387×47 7×757×25 23466345285347 435(135189) 167×2532×252538×9938 147147×99 25×(48)108×75 35×201 75×9825×7×4 2×125×8×6 25×32×125125×88 25×48 3500÷4÷25420÷35÷2 3025570 2824115988×2727×12 6.3 ÷ 1.8 125×64+125×3664×19964 5285347 1583951054800÷25 (13×8×5×6)÷(4×5×6) 2.1×992.10.184.260.184.26 8100÷4÷75 16800÷1201248÷24 3150÷15 (10000-1000-100-10)÷1013829362107 99+999+9999+99999 66.868.661.348811÷89 100.4322.568 98×19925×6.8×0.04 355+260+140+245 102×99 2×125645-180-245 125×32 25×46101×56 99×26 382×101-3824×60×50×8 930 ÷ 0.6 ÷5 102247842263.4 ÷ 2.5 ÷ 0.4 2357183317357 672366436643664 50025734143 755-287+871814378422 89×9989 3999+49888×225225×12 6982919 568(68178)3821653582 (375+1034)+(966+125) 1552564598759-126-259 216+89+11 75×99+2×751050÷15÷7 7200÷24÷30 219 ×99 (2130+783+270)+101758×101 76 ×102 78×46+78×54 169×12323×169129×101129 56×51+56×48+56 125×25×32 24×25514+189214 732254332 56×25×4×12524×74+26×24 228+(72+189) 109+(291176)参考答案第一类:加 65+73+135 357+288+143 272+68+28 =65+135+73 =357+143+288 =272+28+68=273 =788 =368129+235+171+165 17+145+23+35 999+99+9+3=129+171+(235+165) =17+23+(145+35) =999+1+(99+1)+(9+1)=700 =220 =11106+7+8+102+103+104 9998+3+99+998+3+9 =102+8+(7+103)+(6+104) =9998+2+(99+1)+(998+1)+(9+1)=330 =11110第二类:减 400-256-44 517-53-47 284-159-41 =400-(256+44) =517-(53+47) = 284-(156+41)=100 =417 =84 258-42-16 545-167-145 478-47-178 =258-(42+16) =545-145-167 =478-178-47=200 =233 =233344-(144+37) 236-(177+36) =244-144-37 =236-36-177=63 =23第三类:乘 45×4×5 23 ×5×2 25×9×4 =45×(4×5) =23×(5×2) =25×4×9=90 =230 =9008×(125×13) (250×125)×(4×8) 88×125 =8×125×13 =125×8×(250×4) =8×125×11=13000 = =1100072×125 125×64×25 42×125×8×5 =8×125×9 =125×8×(25×8) =42×5×(125×8)=9000 = = 25×4×88×125=100×(8×125) ×11= 第四类:乘 (12+50)×40 125×(40-4) 76×103 =12×40+50×40 =125×40-125×4 =76×(100+3)=880 =5400 =76×100+76×3 =782818×125 25×44 42×25 99×9 =(10+8)×125 =25×4×11 =2×25×21 =10×125+8×125=2250 =110 =105099×78 =(100-1) ×78=100×78-1×78 =7722第五类:乘 45×37+37×55 28×21+28×79 17×23-23×7 =37×+(45+55) =28×(21+79) =23×(17-7)=3700 =2800 =23038×46+64×38 99×32+32 46+46×59 =38×(46+64) =32×(99+1) = 46×(59+1)=38×110 =3200 =2760=38×(100+10)=38×100+38×10=4180167×2+167×3+167×5 39×8+6×39-39×4 =167×(2+3+5) =39×(8+6-4)=1670 =39028×225-2×225-6×225 (42+25)×125+(18+15)×125 =225×(28-2-6) =125×(42+18+25+15)=4500 =1250023×2×4+25×4×2+27×1×8+25×8×1 99×22+33×34 =8×(23+25+27) =33×(66+34)=600 =3300第六类:除 360÷4÷9 250÷5÷2 600÷12÷5 =360÷(4×9) = 250÷(5×2) =600÷(12×5)=10 =25 =10800÷5÷8 480÷5÷48 240÷5÷12=800÷8÷5 =480÷48÷5 =240÷12÷5=20 =2 =4 420÷35 2400÷25 7800÷12 =420÷7÷5 =2400÷5÷5 =7800÷6÷2=12 =96 =650第七类:加减 92+99 197+102 354-108 =92+(100-1) =197+(100+2) =354-(100+8)=92+100-1 =197+100+2 =354-100-8=191 =299 =246405-99 127-98 323+189-123 =405-(100-1) =127-(100-2) =323-123+189= 405-100+1 =127-100+2 =389=306 =29248+86-48 672-36+64 (6467-832)+(1832-1467) =248-48+86 =672-(36+64) =6467-1467+(1832-832)= 286 =572 =6000 1530+(592-530)-192 (2+4+6+98+100)-(1+3+5+97+99) =1530-530+(592-192) =(2-1)+(4-3)+(98-97)+(100-99)=1400 =1+1+.+1+1 =50第八类:乘除 960×46÷48 99000÷121×11 3702×38÷1234 =960÷48×46 =99000÷(121÷11) =1234×3×38÷1234=920 =9000 =114 640÷(16÷4) 1000÷(125÷4)=640÷16×4 =1000÷125×4=160 =32第九类:加减乘除 (98+147)÷49 (230-23)÷23 (250-25)÷25 =98÷49+147÷49 =230÷23-23÷23 =250÷25-25÷25=5 =9 =91736÷28+1064÷28 125×(860+240÷12) 700+612÷12×4 =(1736+1064) ÷28 =125×880 =700+612÷3÷4×4=100 =125×8×110 =700+204 = =904(37+15)×85+1360 2005×-2006× =50×85+2×85+1360 =2005×2006×10001-2006×2005×10001=4250+170+1360 =0=5610+170=5780 42×125×8×5 25×4×88×125 =125×8×(42×5) =100×11×(8×125)= =(12+50)×40 125×(40-4) 86×103 =12×40+50×40 =125×40-125×4 =86×(100+3)=680 =4500 =86×100+86×3=885818×125 25×44 42×25 =(10+8) ×125 =25×4×11 =2×25×21=125×10+125×8 =1100 =1050=225099×9 99×78 45×38+38×55 =(100-1) ×9 =(100-1) ×78 =(45+55) ×38=100×9-9 =78×100-78 =3800 =91 =772228×21+28×79 37×23-23×7 38×46+64×38 =(21+79) ×79 =(37-7) ×23 =(46+64) ×38=7900 =690 =380099×32+32 46+46×59 167×2+167×3+167×5=(99+1) ×32 =(59+1) ×59 =(2+3+5) ×167=3200 =3540 =167039×8+6×39-39×4 28×225-2×225-6×225 =(8+6-4) ×39 =(28-2-6) ×225=390 =2500(42+25)×125+(18+15)×125 65+73+135 357+288+143 =(42+18)+(25+15) ×125 =65+135+73 =357+143+288=12500 =273 =788272+68+28 129+235+171+165 17+145+23+35 =272+28+68 =129+171+(235+165) =17+23+(145+35)=368 =700 =220400-256-44 517-53-47 284-159-41 258-42-16 =400-(256+44) =517-(53+47) =284-(159+41)=100 =417 =84545-167-145 478-47-178 344-(144+37) =545-145-167 =478-178-47 =344-144-37=233 =253 =163236-(177+36) 45×4×5 23 ×5×2 =236-36-177 =45×(4×5) =23×(5×2)=23 =90 =230 25×9×4 8×(125×13) (250×125)×(4×8) =25×4×9 =8×125×13 =250×4×(125×8)=900 =13000 = 88×125 72×125 125×64×25 =11×(8×125) =9×(8×125) =125×8×(8×25)=11000 =9000 =42×125×8×5 25×4×88×125 (12+50)×40 =42×5×(8×125) =100×11×(8×125) =12×40+50×40= = =2480125×(40-4) 76×103 18×125 =125×40-125×4 =76×(100+3) =(10+8) ×125=4500 =76×100+3×76 =10×125+8×125 =7828 =2250 25×44 42×25 99×9 99×78 =25×(40+4) =(40+2) ×25 =(100-1) ×9 =(100-1) ×78=25×40+25×4 =40×25+2×25 =9×100-9 =7800-78=1100 =1050 =891 =772245×37+37×55 28×21+28×79 17×23-23×7 =(45+55) ×37 =(21+79) ×79 =(17-7) ×23=3700 =7900 =230 38×46+64×38 99×32+32 46+46×59 =(46+64) ×38 =(99+1) ×32 =(59+1) ×46=110×38 =3200 =2760=(10+100) ×38=38×10+38×100=4180167×2+167×3+167×5 39×8+6×39-39×4 360÷4÷9 =(2+3+5) ×167 =(8+6-4) ×39 =360÷(4×9) =1670 =390 =10250÷5÷2 600÷12÷5 800÷5÷8 480÷5÷48 =250÷(5×2) =600÷(12×5) =800÷8÷5 =480÷48÷5=25 =10 =20 =2240÷5÷12 420÷35 117+392+608 88×2727×12 =240÷12÷5 =420÷7÷5 =117+(392+608) =(88+12) ×27 =4 =12 =1117 =270087×5387×47 7×757×25 2346634 =(53+47) ×87 =(75-25) ×7 =234-34-66=8700 =350 =1345285347 435(135189) 167×2532×2525 =528-(53+47) =435-135-189 =(167+32+1) ×25=428 =111 =500038×9938 147147×99 25×(48) =(99+1) ×38 =(99+1) ×147 =25×4+8×25=3800 =14700 =300108×75 35×201 75×98 =(100+8) ×75 =35×(200+1) =75×(100-2)=8100 =7035 =735025×7×4 2×125×8×6 25×32×125 =25×4×7 =2×6×(125×8) =25×4×(8×125)=700 =12000 =125×88 25×48 3500÷4÷25 =25×8×11 =25×8×6 =3500÷(4×25)=11000 =600 =35420÷35÷2 3025570 28241159 =420÷(35×2) =30+70+255 =282+(41+159)=60 =355 =48288×2727×12 6.3 ÷ 1.8 125×64+125×36 =(88+12) ×27 =6.3÷0.9÷2 =(64+36) ×125=2700 =3.5 =1250064×19964 5285347 158395105 =64×(199+1) =528-(53+47) =158+(395+105)=12800 =428 =6584800÷25 (13×8×5×6)÷(4×5×6) 2.1 × 99 2.1 =48×100÷25 =13×(8÷4) ×(5÷5) ×(6÷6) =2.1×(99+1)=48×4 =26 =210=1920.18 4.26 0.18 4.26 8100÷4÷75 16800÷120 =4.26+4.26+(0.18-0.18) =(81x100)÷4÷(25x3) =(12000+4800)÷120 =8.52 =81÷(100÷4÷25) =1401248÷24 3150÷15 (10000-1000-100-10)÷10 =1248÷12÷2 =3150÷5÷3 =10000÷10-1000÷10-100÷10-10÷10=52 =210 =1000-(100+10+1) =889 13829362107 99+999+9999+99999 =138+62+(293+107) =(99+1)+(999+1)+(9999+1)+(99999+1)-4=500 =66.868.661.34 8811÷89 10 0.432 2.568 98×199 =66.88-(8.66+1.34) =(8900-89)÷89 =10-(0.432+2.568) =98×(200-1) =56.88 =99 =7 =1950225 × 6.8 × 0.04 355+260+140+245 102×99 2×125 =25×0.04×6.8 =355+245+(260+140) =99×(100+2) =2×5×25=6.8 =1000 =10098 =250645-180-245 125×32 25×46 =645-245-180 =125×8×4 =25×(40+6)=220 =4000 1150101×56