2022年四年级下册数学简便计算题 .pdf

学习必备欢迎下载四年级下册数学简便计算题第一类：加65+73+135 357+288+143 272+68+28 129+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）精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 1 页，共 20 页学习必备欢迎下载第三类：乘4545 23 52 2594 8（12513）（250125）（ 48）88125 72125 1256425 4212585 25488125 第四类：乘（12+50）40 125（40-4）76103 18125 2544 4225 999 9978 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 2 页，共 20 页学习必备欢迎下载第五类：乘4537+3755 2821+2879 1723-237 3846+6438 9932+32 46+4659 1672+1673+1675 398+639-394 28225-2225-6225 （42+25）125+ （18+15）125 2324+2542+2718+2581 9922+3334 第六类：除36049 25052 600125 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 3 页，共 20 页学习必备欢迎下载80058 480548 240512 42035 240025 780012 第七类：加减92+99 197+102 354-108 405-99 127-98 323+189-123 248+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9604648 9900012111 3702381234 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 4 页，共 20 页学习必备欢迎下载640（164）1000（1254）第九类：加减乘除（98+147）49 （230-23）23 （250-25）25 173628+106428 125（860+24012）700+612124 （37+15）85+1360 200520062006-200620052005 4212585 25488125 （12+50）40 125（40-4）86103 18125 2544 4225 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 5 页，共 20 页学习必备欢迎下载999 9978 4538+3855 2821+2879 3723-237 3846+6438 9932+32 46+4659 1672+1673+1675 398+639-394 28225-2225-6225 （42+25）125+（18+15）125 65+73+135 357+288+143 272+68+28 129+235+171+165 17+145+23+35 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 6 页，共 20 页学习必备欢迎下载400-256-44 517-53-47 284-159-41 258-42-16 545-167-145 478-47-178 344-（144+37）236-（177+36）4545 23 52 2594 8（12513）（250125）（ 48）88125 72125 1256425 4212585 25488125 （12+50）40 125（40-4）76103 18125 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 7 页，共 20 页学习必备欢迎下载2544 42 25 99 9 99 78 45 37+37 55 28 21+28 79 17 23-23 7 38 46+64 38 99 32+32 46+46 59 167 2+167 3+167 5 39 8+6 39-39 4 360 4 9 250 5 2 600 12 5 800 5 8 480548 240512 42035 117+392+608 88272712 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 8 页，共 20 页学习必备欢迎下载87538747 775725 2346634 5285347 435（135189）16725322525 389938 14714799 25（48）10875 35201 7598 2574 212586 2532125 12588 2548 3500425 420352 3025570 28241159 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 9 页，共 20 页学习必备欢迎下载88272712 6.3 1.8 12564+12536 6419964 5285347 158395105 480025 （13856）（456）2.1 99 2.1 0.18 4.26 0.18 4.26 8100475 16800120 124824 315015 （10000-1000-100-10 ）10 13829362107 99+999+9999+99999 66.86 8.66 1.34精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 10 页，共 20 页学习必备欢迎下载881189 10 0.432 2.568 98199 25 6.8 0.04 355+260+140+245 10299 2125 645-180-245 12532 2546 10156 9926 382101-382 460508 930 0.6 5 1022478422 63.4 2.5 0.4 2357183317357 6723664 36643664 50025734143 755-287+87 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 11 页，共 20 页学习必备欢迎下载1814378422 899989 3999+498 8822522512 6982919 568（68178）3821653582 1552564598 759-126-259 216+89+11 7599+275 1050 15 7 7200 24 30 219 99 58 101 76 102 78 46+78 54 169 12323 169 129 101129 56 51+56 48+56 1252532 2425 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 12 页，共 20 页学习必备欢迎下载514+189214 732254332 56254125 2474+2624 228+ （72+189）109+ （291176）(375+1034)+(966+125) (2130+783+270)+1017 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 13 页，共 20 页学习必备欢迎下载参考答案第一类：加65+73+135 357+288+143 272+68+28 =65+135+73 =357+143+288 =272+28+68 =273 =788 =368 129+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 =1110 6+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 =233 344-（ 144+37）236-（177+36）=244-144-37 =236-36-177 =63 =23 第三类：乘45 45 23 52 2594 =45(45) =23(52) =254 9 =90 =230 =900 8（ 12513）（250125）（ 48）88125 =8 125 13 =1258(2504) =812511 =13000 =1000000 =11000 72 125 1256425 4212585 =8 125 9 =1258(258) =42 5(1258) =9000 =200000 = 210000 25 488 125 =100(8125) 11 =1100000 第四类：乘（12+50） 40 125（ 40-4）76103 =1240+5040 =12540-1254 =76(100+3) =880 =5400 =76100+763 =782818 125 2544 4225 999 =（10+8） 125 =25 411 =22521 =10125+8125=2250 =110 =1050 99 78 =(100-1) 78 =10078-178 =7722 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 14 页，共 20 页学习必备欢迎下载第五类：乘45 37+3755 2821+2879 1723-237 =37+(45+55) =28 (21+79) =23(17-7) =3700 =2800 =230 38 46+6438 9932+32 46+4659 =38(46+64) =32(99+1) = 46（ 59+1）=38110 =3200 =2760=38(100+10) =38100+3810 =4180 1672+1673+1675 39 8+6 39-394 =167（ 2+3+5）=39（ 8+6-4）=1670 =390 28 225-2225-6225 （42+25） 125+（18+15） 125 =225（ 28-2-6）=125（ 42+18+25+15）=4500 =12500 23 24+254 2+2718+2581 9922+33 34 =8（ 23+25+27）=33（ 66+34）=600 =3300 第六类：除36049 25052 600 125 =360（ 49）= 250（ 5 2）=600(125) =10 =25 =10 80058 480548 240512 =8008 5 =48048 5 =240 125 =20 =2 =442035 240025 7800 12 =4207 5 =24005 5 =780062 =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 =246 405-99 127-98 323+189-123 =405-(100-1) =127-(100-2) =323-123+189 = 405-100+1 =127-100+2 =389 =306 =29 248+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 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 15 页，共 20 页学习必备欢迎下载第八类：乘除9604648 99000121 11 3702381234 =9604846 =99000(12111) =1234 3 38 1234 =920 =9000 =114 640（ 16 4）1000（ 1254）=640 16 4 =1000 1254 =160 =32 第九类：加减乘除（98+147） 49 （230-23） 23 （250-25） 25 =9849+14749 =23023-2323 =250 25-2525 =5 =9 =9 173628+106428 125（ 860+24012）700+612124 =(1736+1064) 28 =125880 =700+612 3 4 4 =100 =1258110 =700+204 =110000 =904 （37+15） 85+1360 200520062006-200620052005 =50 85+2 85+1360 =2005200610001-2006200510001 =4250+170+1360 =0 =5610+170=5780 4212585 25488125 =1258 (425) =10011(8125) =210000 =1100000 （12+50） 40 125（ 40-4）86103 =1240+5040 =12540-1254 =86(100+3) =680 =4500 =86100+863 =8858 18 125 2544 42 25 =(10+8) 125 =25411 =22521 =12510+1258 =1100 =1050 =2250 99 9 9978 4538+3855 =(100-1) 9 =(100-1) 78 =(45+55) 38 =1009-9 =78100-78 =3800 =91 =7722 28 21+2879 3723-237 3846+6438 =(21+79) 79 =(37-7) 23 =(46+64) 38 =7900 =690 =3800 99 32+32 46+4659 1672+1673+1675 =(99+1) 32 =(59+1) 59 =(2+3+5) 167 =3200 =3540 =1670 39 8+6 39-394 28 225-2225-6225 =(8+6-4) 39 =(28-2-6) 225 =390 =2500 （42+25） 125+（18+15） 125 65+73+135 357+288+143 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 16 页，共 20 页学习必备欢迎下载=(42+18)+(25+15) 125 =65+135+73 =357+143+288 =12500 =273 =788 272+68+28 129+235+171+165 17+145+23+35 =272+28+68 =129+171+(235+165) =17+23+(145+35) =368 =700 =220 400-256-44 517-53-47 284-159-41 258-42-16 =400-(256+44) =517-(53+47) =284-(159+41) =100 =417 =84 545-167-145 478-47-178 344-（144+37）=545-145-167 =478-178-47 =344-144-37 =233 =253 =163 236-（ 177+36）45 45 23 52 =236-36-177 =45(45) =23(52) =23 =90 =230 25 94 8（ 12513）（250125）（ 48）=2549 =812513 =2504(1258) =900 =13000 =1000000 88125 72125 125 6425 =11(8125) =9(8125) =1258(825) =11000 =9000 =100000 42 12585 25488125 （12+50） 40 =425(8125) =100 11(8125) =1240+5040 =210000 =1100000 =2480 125（ 40-4）76103 18125 =12540-1254 =76(100+3) =(10+8) 125 =4500 =76100+376 =10125+8125 =7828 =2250 2544 42 25 99 9 99 78 =25(40+4) =(40+2) 25 =(100-1) 9 =(100-1) 78 =2540+254 =4025+225 =9100-9 =7800-78 =1100 =1050 =891 =7722 45 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 =11038 =3200 =2760 =(10+100) 38 =3810+38100 =4180 167 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 =10 250 5 2 600 12 5 800 5 8 480548 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 17 页，共 20 页学习必备欢迎下载=250 (52) =600 (125) =800 8 5 =480485 =25 =10 =20 =2 240512 42035 117+392+608 88 272712 =240125 =42075 =117+(392+608) =(88+12) 27 =4 =12 =1117 =2700 87 538747 775725 2346634 =(53+47) 87 =(75-25) 7 =234-34-66 =8700 =350 =134 5285347 435（ 135189）167253225 25 =528-(53+47) =435-135-189 =(167+32+1) 25 =428 =111 =5000 38 9938 14714799 25（ 48）=(99+1) 38 =(99+1) 147 =254+825 =3800 =14700 =300 10875 35201 7598 =(100+8) 75 =35(200+1) =75(100-2) =8100 =7035 =7350 25 74 212586 2532125 =2547 =26(1258) =254(8125) =700 =12000 =100000 12588 2548 3500425 =25811 =2586 =3500(425) =11000 =600 =35 420352 3025570 28241159 =420(35 2) =30+70+255 =282+(41+159) =60 =355 =482 88 272712 6.3 1.8 12564+12536 =(88+12) 27 =6.30.92 =(64+36) 125 =2700 =3.5 =12500 64 19964 5285347 158395105 =64(199+1) =528-(53+47) =158+(395+105) =12800 =428 =658 480025 （13856）（ 456）2.1 99 2.1 =48 100 25 =13 (84) (55) (66) =2.1(99+1) =48 4 =26 =210 =192 0.18 4.26 0.18 4.26 8100 475 16800120 =4.26+4.26+(0.18-0.18) = （81x100 ）4（25x3 ）=（12000+4800） 120 =8.52 =813x（100 425）=140 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 18 页，共 20 页学习必备欢迎下载124824 315015 （ 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 =111096 66.868.661.34 881189 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 =19502 25 6.8 0.04 355+260+140+245 10299 2125 =250.046.8 =355+245+(260+140) =99(100+2) =2 5 25 =6.8 =1000 =10098 =250 645-180-245 12532 2546 =645-245-180 =12584 =25(40+6)=220 =4000 1150 10156 9926 382 101-382 =(100+1) 56 =(100-1) 26 =382(101-1) =5656 =2574 =38200 46050 8 930 0.6 5 1022478422 =4 50(608) =930(0.65) =1022-（478+422）=96000 =310 =122 63.4 2.5 0.4 2357183317 357 67236 64 =63.4 (2.50.4) =2357-357-(183+317) =672-36-36+36+64 =63.4 =1500 =（672-72）+（36+64）=700 36 643664 50025734143 755-287+87 =(36-36)+(64+64) =500-(257+34)-143 =755-(287-87) =128 =57 =555 1814378 422 899989 3999+498 =1814-(378+422) =(99+1) 89 =(4000-1)+(500-2) =1014 =8900 =4000+500-1-2 =4497 88 22522512 6982919 568（ 68178）=(88+12) 225 =698-(291+9) =568-68-178 =22500 =398 =322 3821653582 155256 4598 =382-82+(165+35) =（155+45）+256-(100-2) =500 =200+256-100+2 =358 759-126-259 216+89+11 7599+275 =759-259-126 =216+(89+11) =75(99+2) =374 =316 =75100+751 =7575 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 19 页，共 20 页学习必备欢迎下载1050 15 7 7200 24 30 219 99 =1050（ 157）=7200 (2430) =219 (100-1) =10 =10 =219 100-219 1 =21681 58 101 76 102 78 46+78 54 169 12323 169 =58(100+1) =76 (100+2) =(46+54) 78 =(123-23) 169 =5858 =7752 =7800 =16900 129 101 129 56 51+56 48+56 1252532 2425 =(101-1) 129 =(51+48+1) 56 =1258(254) =8253 =12900 =5600 =100000 = 300 514+189 214 732254332 56254125 =514-214+189 =732-332-254 =425(8125) 7 =489 =146 =700000 24 73+2624 228+（72+189）109+（291176）=(74+26) 24 =228+72+189 =109+291-176 =2400 =489 =324 (375+1034)+(966+125) (2130+783+270)+1017 =(375+125)+(1034+966) =2130+270+(783+1017) =2500 =4200 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 20 页，共 20 页