数学四年级数学脱式计算题300题.docx

1、数学四年级数学脱式计算题300题2800十 100+ 789507- 13X 63+ 49857X 12 560 - 35138X 25X 425X 32X 12575X 99+2X 7550X(34 X4) X3数学四年级脱式计算题（ 300 题）(947 599)+ 76 X 64723 (521 + 504)十 25848 640- 16X 12(13X 125)X (3X 8)32X (25+125)83X 102 83X 225X(24+16)36 X (913 276-23)384 - 12+ 23 X 3711500 32X 45(12+24+80)X 50178X1011789

2、8X 199178X 99+178(93+ 25X 21)X 9(39 21)X (396- 6) 192(54+38) X67704X 25-50984X 36+64X 84123X 18 123X 3+85X 12379X 42+79+79X 574X (25X 65+25X 28)138X 25 X 4(13X 125)X (3X 8)(12+24+80)X 5025X 32X 12532X (25+125)102X 76 58X 98178X 101 17884X 36+64X 8475X 99+2X 7583X 10283X 298X 199123X18123X 3+85X 1235

3、0X (34X 4)X 325X( 24+16)178X 99+17879X 42+79+79X577300吃5詔280+ 840 - 24 X 585X (95 1440- 24)58870- (105+ 20 X 2)4300+ 870- 151437X 2727X 563125X (331)37.4 (8.67.24 6.6)156X 107-772937.85-( 7.85+6.4)1554- (72-58)X 3360 - (12+ 6)X 5500X 6-(50X 2-80)105X 12 635(45+ 38- 16)X 24 240+ 38 X 6 64 (87-42) X 1

4、5 (845 15X 3)十 2012X (49- 28)十 795 -(64-9 X 5) 178-145- 5X 6+42700-( 9+31 X 11)(58+37)十(64-9 X 5)388+(5000-1000)158+262+138375+219+381+2255001-247-1021181+2564) +2719(13X 125)X 24(12+24+80)X 50178X101-17884X 36+64X 8450X (34X 4)X 325X( 24+16)75X 99+2X 7583X 102- 83X 2178X 99+17879X 42+79+79X 577300-

5、 25- 412X 25 75X 24138X 25X 413X 125)X (3X 8)(12+24+80)X 5025X 32X 12532X (25+125)88X 125102X 76178X 101- 17884X 36+64X 8475X 99+2X 7583X 102- 83X 2123X 18- 123X 3+85X 123 50X (34X 4)X 325X(24+16)178X 99+17879 X 42+79+79X 57 2356-(1356-721)75X 25+19X 2531X870+13X 310 1235-( 1780- 1665)4X (25X 65+25X

6、 28)120-144- 18+3595-( 64-45)( 58+37)-( 64-9X 5)347+45X 2-4160- 52120-36X 4- 18+35( 58+37)-(64-9X 5)330- (65- 50)128- 6X 8- 1664X (1265- 13)30+98-4X 1585-4X 8+26636-36宁6X 5736-35 X2025X4-25X418X5+25280-80 -412X5-12X536X9-36X925X 8-25X 880-20X 2+6025X 8-( 25X 8)36-36 &615X97+348X99+156 X8 -56 X8175-7

7、5-25100+45-100+451000+8-1000+85+95X28125+25X 6(135+ 75)-( 14X 5)120- 60- 5X 51024- 16X 3(135+ 415)- 5+1620X 720720(360-144)- 24 X 3128-6X 8- 16 64X (12 + 65- 13)19X 96-962- 7410000- (59 66)X 645940十 45 X (798 616)(315X 40 364)十 7 12520- 8X (121- 11) 12X (65+15)(20+ 120-24)X 8106X 9 76X 9117+ 37X( 65

8、+35)540( 148+47)十 13(308 308-28) X 1193+ 25X 21)X 9723 (521 + 504)十 25(39 21)X (396-6)507- 13X 63+ 498384- 12+ 3X 3137( 7+6) X 3016X (17-8) - 328 X (5+96 - 32) 8172-69)X 957 X 12 560-35848 640- 16X 12960 - (1500 32 X 45)192( 54+ 38)X 1(12+24+80)X 5032X (25+125)46-20)X 30-9025X 27X 440 4)X 252400- 80

9、 14X 2108- (83+ 360-60)(420+ 48) - (375 345) 290 (34X 3+99)142 54- 9+1475X 4X 2516X 76 76X 699X 53+53450 2X( 16+ 9)245( 45+39)125X( 8X 4)X 541X 25-25420-( 205 198)X 4460-( 29 18-3)960 400)- 70140-70)X 5463+84X 2- 42490- 7+24X 526X 6-11015X 7+85X 7953+53450 2X( 16+ 9)245( 45+39)125X( 8X 4)X 541X 25-2

10、5420-( 205 198)X 4460-( 29 18-3)960 400)- 7045+240- 12124+78+22100-35-25140-70)X 5463+84X 2- 4226X 6-11046-20)X 30-9015X 7+85X 740 4)X 252400- 80 14X 2108( 83+ 360- 60)420+ 48)- 30290( 34X 3+99)142 54- 9+1426X 6-11046-20)X 30-90135- 15+26107-35X 3206X 3-1284 4482-42)4 22-1757-3-121684 12-484 121824

11、13+2084 13525421-378 42132X 5X 6-648+424 6-1260-(304 3+3)31 X 13-2284 19(156+ 224-32)X80 3454(128-53149)776-(73X 6+ 152) 804 2+1004 545-20 X 3 -4140-20X 5+2520X 30+20X 4025X (30+10)800F0-400 406004(120 460) (26+14) X70(26+14) X(70-40)904(30 X15450)(35+45) 4(90-10)6X10-(21+29)25X(22+26 X3)(40+180 令0)

12、鬼(240+180) 4(30 2)800-800 480 30800-(70 6+180)65 (40+20 3)36+3604125 121+79 545 6+35 6670-37 爲39 8-6 39326 78-326 68120 90-110 90125X( 8+4)12 ( 40-5)5 27+63 564 9-14 923X 134-34X 2368 48+68 5248 101-4865 5+35 549 X 25 X 879 32+79 6867 101-67256 7-56 775 254 5)4028004 25 48038080 4)4 6065 50+35 50(140-70)X 5463+84 X 2-42490 - 7+24 X 526 X 6-110345+99 (46-20)X 30-9025X 27X 4 15X 7+85X 7(40 4)X 25125X64 2400- 80- 14X2108 - (83+ 360- 60)290- (34X3+99)142 -54- 9+14240 - 16 75X 4X 25407-9916X 76- 76X 699 X 53+53103X 35450-2X( 16+ 9)245-( 45+39)460-( 29 - 18- 3)720 - 36(960 400)- 70