四年级下册数学简便计算题

1、简便计算（二）(23+56 ) +4725 X277 X4125 X (3+8 )462-83-1178义(30+125 )3200 +25 +4425-38+755246- (246+694 )25 X6+25 X4360 + (18X4)32X105598+73599 X38+3898 X3425+75-25+7548X125540 +45103 X56728+ (9272+986 )(139+192 ) +61126+ (54+74+46 )92+88+12286+54+46+4(25X30) X415X8X125 X2103 X568X (125 X30)12 X15+12 X354

2、X20 X75 X567 X9+33 X998 X659X99+995X (18+20 )5X (18X20)31 X128-28 X3125 X277 X425 X3635X10298 X34125 X3225 X6 X25 X425 X6+25 X445 X98201 X3425 X7 X4简便计算（四）25 X (7+4 )36 X25048X12565 X8+7 X76-65 X538 X62+38 X3832 X125 X25198 X2186 X80+86 X19+8694X101-9438+62-38+62453-26-74-53307-49+83-51462-83-117524

3、- (246+694 )472-163-37425-38+75598+735428+696432-297890-132-2681289- (289+249 )420 +35280+8+5540 +45158+262+138375+219+381+2255001-247-1021-232(181+2564 ) +2719378+44+114+242+222276+228+353+291(375+1034)+(966+125)(2013+783+270)+101799+999+99999+9999997755-(2187+755)2214+638+2863065-738-10651883-3981

4、2X2575 X24138 X25 X4(13 X125) X(3X8)(12+24+80) X503150 +154800 +25简便计算（六）704 X2525 X32X12532 X(25+125)88X125102 X7658 X98178 X101-17884 X36+64 X8475 X99+2 X7583 X102-83 X298X199123 X18-123 X3+85 X12350(34 X4) X325 X(24+16)178 X99+17879 X42+79+79 X577300 +25 +48100 +4+7516800 +12030100 +210032000 F00

5、21500 +12549700 +7001248 +242356- ( 1356-721 )1235- (1780-1665 )75 X27+19 X2531 X870+13 X3104X(25 X65+25 X28)(300+6) X1225 X(4+8)125 x(35+8)(13+24) X884 X101504 X2578X10225 X20499X16638 X99999 X9999X13+1325+199 X2532 X16+14 X3278 X4+78 X3+78 X3125 X32 X825 X32X12588X12572 X125简便计算（八）3600 +25 4-48100

6、+4+753000 +125+81250 +25 +51200-624-762100-728-772273-73-27847-527-273278+463+22+37732+580+268425+14+186214-(86+14)787-(87-29)365-(65+118)455-(155+230)871-299157-99363-199968-599178 X101-17883 X102-82 X217 X23-23 X735X127-35 X16-11 X3525 X32X125600-60 +1520 X4 +20 X4736-35 X2025 X4+25 X498-18 X5+255

7、6 X8+56 X8280 +80 +4100-34+64175-75 +2525 X8+25 X815X97+336 X9+36 X936-36 +6-625 X8+(25X8)100+45-100+45100+1-100+148 X99+11000+8-1000+85+95 X2865+35 X1340+360 +20-1013+24 X8672-36+64324-68+32简便计算（十）26 X39+61 X39356 X9-56 X999 X55+5578X101-785276+ X47 X76+76134 X56-134+45 X13448 X52 X2-4 X4825 X23 X

8、(40+4 )999 X999+1999184+98695+202864-199738-301380+476+120(569+468)+(432+131)704 X25256-147-53373-129+29189-(89+74)28 X4 X259X72X125720 +16 +5630 +42456- (256-36 )102 X3598 X42158+262+128375+219+318+2255001-247-10210232(181+2564 ) +2719378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+2

9、70)+10177755-(2187+755)2214+638+2863065-738-1065899+3442357-183-317-3572365-1086-214497-2992370+1995简便计算（十二）3999+4981883-39812 X2575 X24138 X25 X4(13X125) X (3X8)(12+24+80 ) X5025 X32X12532 X (25+125 )88X125102 X76178 X101-17884 X36+64 X8475 X99+2 X7598X199123 X18-123 X3+85 X12350 X (34X4) X325 X (2

10、4+16 )8100 +4+7579 X42+79+79 X577300 +25 +41248 +243150 +154800 +2521500 +125375+219+381+2255001-247-1021-232(181+12564 ) +2719378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+270)+101799+999+9999+999997755-(2187+755)2214+638+2863065-738-1065899+3442357-183-317-3572365-1086-214497-2992

11、370+19953999+498简便计算（十四）2.73+0.89+1.274.37+0.28+1.63+5.7210-0.432-2.5689.3-5.26-2.7414.9-(5.2+4.9)18.32-5.47-4.3225 X68 X464X125 X12545 X20158X101502 X9947 X993.28 X5.7+6.72 X5.72.1 X99+2.123 X0.1+23 X9.90.58 X1.3W.58 X1.33.75 X0.5-2.75 +25.26 X0.125+2.74 +86.3+1.89.5 玄1.9 X8)12.8 +(0.4 X1.6)930 +0.

12、6 +563.4 +2.5 W.4(7.7+1.54)旬.76.9+5.8+3.115.89+ (6.75-5.89 )7.85+2.34-0.85+4.6635.6-1.8-15.6-7.213.75-(3.75+6.48)47.8-7.45+2.5566.86-8.66-1.340.25 X16.2 X40.25 X32 X0.1252.5 X(4+0.4)(1.25-0.125) X84.8 X100.14.2 X9956.5 X9.8+56.57.09 X10.8-0.8 X7.093.83 X4.56+3.83 X5.443.65 X4.7-36.5 X0.3713.7 X0.25-

13、3.7410.7 X16.1-1.1 X10.1+10.7 X55.4 X11-5.5简便计算（十五）第一类：加65+73+135357+288+143272+68+28129+235+171+16517+145+23+35999+99+9+36+7+8+102+103+1049998+3+99+998+3+9第二类：减400-256-44517-53-47284-159-41258-42-16545-167-145478-47-178344- ( 144+37 )236-( 177+36 )第三类：乘45 X4 X5235X2x 259X4x8X (125X13)(250 X125) x (

14、4X8)88X1257212512564 X25简便计算（十六）(125+7) X86532+35 329921125 23 872义99+72254426 101-261723-23 725 13 4123 67+123333899+3810123145 57-57 45135101-13525义16125X6425X (20+4)545-268-32简便计算（十七）、口算题380 +19=40 X100=2020 攵0=75-75 +5=40+360 M0=15 X4 X8=100-13 X6=660 +60=70 X30=34-17X20=600 +50=350+80=25 X40=28

15、X30=450 +45=300 X6=52+3=420+21 =14X5+8=45-2 X7=12+12 +12=0+16X9=13 X6-70280+70=450+5+9=60+12=8X50=1000 攵0=760 W0=100 WX6=计算题4205 3485 +17X15551 +(155-2584 +19)7000-34015 妥5 X(6409+23 M7)与8386-(2525+2005)15+ 3365+183651-2978(2995+5285)15X132101-(2260+3200)421141+75654 X488722 -89+8580 -655488-36426 X39%4000-(2580+288016)+(2495+353)(500-484)3640-62525 X1*7560 +(125-113)+2786简便计算（十八）一、直接写出得数：460 -70 =125 X72 =690 +230 =440 X200 =68万39万=72 X6+3 =二、用简便方法计算:1641 236 364(18 分)560 +14 =610 -90 =301 X42 =2400 -600 =423 万+99万=48 X2+12 =(30 分)479+19763 X4 X5 =21