三年级四则混合运算题

1、18X2X2+17(21 + 3+33 ) X 266 + (49-45) X 2(62 + 34 ) X 259+ (48-46 ) X 3(9 + 27 ) +910 X (62+47)(45 + 72 )X2(37 - 24 )X666 X 23 + 1044 + (2+9)658 - 15 - 42(17X6 + 32 ) -3756+ (55 - 41 )98 + 36 - 4211+31+19+2945 + 5 + 3+378+ (69 - 63 ) X 941+17+4+197827 -22 )4X (36+6+5)24X4 - (54 - 51 )79 + (45 - 44 )

2、 X 8(53 +32 ) X 983X5 - 16 - 14(18X 4 + 19 ) +74 X 4 +272X (44 + 4 )55 X 6 - 3667X38-5-1852 + ( 19 + 7 )(57 + 21 ) +6(38 + 34 ) +9(289 - 9 ) + 10414X6 - 14(24 + 66 )+938 X 5 + 5642 + 15 + 7 + 2349 + (69 - 62 )31 + (74 - 67 ) X 722 + 19 + 20 + 3060 + (97 - 94 ) X 5(58 - 53 ) X 5210X7 + 2442 + 2 + 3 +

3、 40324+ (3 + 3 )(36- 4 ) + 1669 - 15 - 31 - 910 X 7 + 217 + (22 - 2)X399 + (38 - 5 )43X15 + 4864(5 + 11 )7 X (30 - 3 - 7 )5 X 6 X 5 - 93(49- 25 ) + 6(13 + 47 ) + 15(5 + 26 ) X 28 X 6 + 49(95- 63 ) + 818 X 3 + 2 X 718X2 - (95 - 67 )11 X 8 + (63 - 36 )2 x 2 x 10 x 26 x (13 - 10 )2 X 4 + 4 X 1088 - 16

4、- 16 - 2854 + (47 - 33 ) X 214 X 5 + 4 X 761 + (48 - 30 ) X 2(49 + 23 ) + 3680 + 2 + 2 + 6(6 X 9 + 31 ) + 179405- 924+ 28X213 x 3 x 10 + 894 - 40 - 20(44 - 28 ) X 667 + 9 + 8 + 63 X (32 - 28 )(9 + 28 ) X 222 X 2 + 4 X 9(28+12) X 307X2 + 4412X6 + 10 X2(78- 58 )+ 10(3+3 + 21 ) X 232 + 2 + 8 + 663 X 3

5、+ 7 X 822+12X2012X4 - (32 - 7 )45X20+1007X 8X 3230X23-60(25+38) X 1520015X 10369+ 3+127 200X528+12 30(169+456) +25+14652(12+20) X452100-21 X 53+2255(48 -12)+6(103-336 +21) X 15800-(200 960+8)40X48-(472+328) +5(488+344) + (202 194)308 + 28+136X7605X(500 -494) -1898(286+578) + (400 346)9125-(182+35 X

6、22)(154-76) X (38+49)3800- 136X9-798(104+246) X(98 +7)2300- 138+(21-15)918 +9 X (108-99)816+(4526 251 X 18)(645+4 X 40) - 5(353+97) +(801-792)(242+64) +(113 79)(28+172) +(24+16)8080- 1877+879 + 3624-48+63 X 48(5011 -43X85)+339724X4 42 + 3950-28X 6+6667X 6- 12X386X(35+117 +9)56 + 4 + 72 + 82500+(360

7、160 + 4)308 + 28X 2116X4 + 6X3920168 + 4 + 739 + 3 + 48 + 6690+47X 52- 398(47+18) X 7+5148+384+647536 720+ ( 360+18)36X24+32+730432 + ( 63-54 ) X 82100-94+48X54(528+912) X 5 617851+ (2304-2042) X 23492 + 41X 38944215+ (361 76) + 5796-504 + ( 63+7)264+318-828+69285+ (300 48)36(174+209) X 26-900046X(2

8、10-195) +3023+13814 (278+322) + 15719 + 129 X 561406+75X 9+4514 + 34 X233168-722 +38+504101X15 + 15 X2150+160+40(58+370) + ( 6445)120144+18+35(58+37) + ( 64 9X 5)95+ (64 45)178145 + 5X6+42120+58046X 12812-70+ (9+31X11)999X3+101X 11 x (101-92)(136+64) X ( 65-345 +23)(234-34) X (3 X 6+2)85+14X ( 14+20

9、8+26)37 X 49 - 43(284+16) X ( 512-828 +18)89 X 136 + 127120-36 X 4+18+3512 X 56 + 29 X 3125X3+125X 5 + 258X 54 + 149 X 56 + 5634 X 89 -136 X 38 + 38 +67 X 549 + 31447 X 59 + 37 X 596 X ( 12 + 23 )52 X (32 + 45 )8 X 45 + 8 X 11578 + (18 + 19 )31 X 56 X 697 + (27 X 21 )36X4 + 3+730920168 + 4+72100 94+

10、48 X 54690+47X 52- 39851+(2304 - 2042) X 2397-12X6+434215+(361 -81) +826X4125+5(247+18) X2 + 5148+328+47536-720 + (360 + 18)108 +(63 -54) X80(528+912) X5-6178528 +4 X 38- 904264+318828+69(174+209) X26 9000814-(278+322) +151406+735X9 + 453168 722+38+504796 504 + (63 +7)6 X38 + 36 +6285+(300 -48) +364

11、7 X 59 + 37 X 5946X(210 -195) +3052 X (32 + 45 )37X499-4378 + (18 + 19 )89 X 536 + 1279 X 56 + 5612 X 56 29 X334X89 137X 549+3146X ( 12 + 23 )8 45+8 11531565697- (27+21)59 X 18+ 14X2745X216 + 23 X 3464 X 87-56 X 25732 +34X 24329 + 1357 X 325 + 37719 + 195615 X 23+56922+121+ 1153X115 + 4345 23+13 151

12、4 + 102 +387X216 +12101 X 15+15X2150+160 + 40(58+370) + ( 64-45 )162 + 9+ 16X 4120144+18+35347+45X2 416+52(58+37) + ( 64 9X5)95 + (64-45)178145 + 5X6+42420+58064X2 + 8812 700+ (9+31X 11)276+12+ 14X25612 364 + 262329 + 495 + 45+3812X25+92059X31 + 2512+14X45- 1834X57X43 12623-89 X 1278X 56+224+4148+328+4-7536X4 + 3+7302100-94+48X5451+ (2304-2042) X 23528-4X 38- 9044215+ (361 81) + 8264+318828+9(247+18) X 2+