2800-r 100 + 789 (947-599) +76x6436x(913-27623) 2(93+25x21)x9507-13x63+498 4.723-(521 +504)-2538412 + 23x371 6. (39-21)x(3966)156x(17.7-7.2)-3(2) 37.85- (7.85+6.4) x3028x(5+969.94-318)(4) 8U (72-54) x957x12-560v35 848-64016x12960m (1500-32x45) 192- (54 + 38)卜67138x25x4(13x125)x(3x8) (12+24+80)x50704x25 25x32x125 32x(25+125)178x101-17884x36+64x84 75x99+2x75 83x102-83x2 98x199123x18-123x3+85x123 50x(34x4)x3 25x (24+16) 178x99+17879x42+79+79x57 7300三25三4 8100U-75 75x27+19x2 5 31x870+13x3104x(25x65+25x28) 138x25x4 (13x125)x(3x8) (12+24+80)x5025x32x125 32x(25+125) 102x76 58x98178x101 -17884x36+64x84 75x99+2x75 83x102-83x298x199 123x18-123x3+85x123 50x(34x4)x3 25x (24+16)178x99+178 79x42+79+79x577300254810075280 + 840-24x5 2. 85x(95-144024)58870(105+20x2)4. 80400 (4300 + 8705)1437x27+27x563 6. 81432-(13x52+78)125x(33-1) 8 37.4-(8.6 + 7.24-6.6)156x107-772937.85- (7.85+6.4)287x5+96990318 1554- (72-58) x3360v (12 + 6) x5288v (26-14) x8500x6-(50x2-80) (105x12-635)三25864日(27-23) x12 (45+38-16) x24500- (240 + 38x6) 64- (87-42) x15(845-15x3) v1612x (49-28)三7450三(84-48 ) 4-12(58+37) m (64-9x5) 178145m5x6+42812-700v (9+31x11) 85+14x (14+208+26)(284+16) x (512-820818) 120-36x418+35(58+37) 一 (64-9x5) (6.8-6.8x0.558.50.12x 4.80.12x4.8 (3.2x1.5+2.5) 4-1.65.8x (3.87-0.13) +4.2x3.7432.52- (6+9.7283.2) x2.512x6v (12-7.2) -612x6v7.2-60.68x1.9+0.32x1.9 (58+370) m (64-45)420+580-64x2仁28 (136+64) x (65-34523)48.10.15-10.75x0.4-5.7388+(5000-1000)158+262+138375+219+381+2255001-247-1021-232 (181+2564) +2719378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+270)+101799+999+9999+999997755 - (2187+755)2214+638+2863065 -738-10652357-183-317-3572365-1086-2142370+1995 3999+498138x25x4(13x125)x(3x8)(12+24+80)x50704x2525x32x12532x(25+125) 88x125102x76 58x98178x101 一 17884x36+64x8475x99+2x7583x102-83x2123x18-123x3+85x12350x(34x4)x325x (24+16)178x99+17879x42+79+79x5773002548100-r4-7516800-12030100210032000三40049700三700 75x27+19x2 54800=25 2356- (1356-721) 1235- (1780-1665)31 x870+13x3104x(25x65+25x28) (181+2564) +2719378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+270)+101799+999+9999+99755 一 (2187+755)2214+638+286 3065-738-10652357-183-317-3572365-1086-21412x2575x24138x25x4 (13x125)x(3x8)(12+24+80)x5025x32x12532x(25+125)88x125102x76 178x101-17884x36+64x8475x99+2x75 83x102-83x2123x18-123x3+85x12350x(34x4)x325x (24+16)178x99+17879x42+79+79x572356- (1356-721)1235- (1780-1665) 75x27+19x2531x870+13x3104x(25x65+25x28)125*3+125*5+25*3+259999*3+101 *11 *(101-92)(23/4-3/4)*(3*6+2)3/7x 49/9 4/38/9 x 15/36 + 1/2712x 5/6 -2/9 x38x 5/4 + 1/46三 3/8- 3/8 三64/7 x 5/9 +3/7 x 5/95/2- ( 3/2 +4/5 )7 x 5/49 + 3/146x ( 1/2 +2/3 ) 8 x 4/5+ 8 x 11/531 x 5/6- 5/69/7- ( 2/7 -10/21 ) 5/9 x 18-14 x 2/74/5 x 25/16 +2/3x 3/414 x 8/7- 5/6 x 12/1517/32- 3/4 x 9/243 x 2/9 +1/35/7 x3/25 + 3/73/14 xx 2/3 + 1/61/5 x 2/3+ 5/69/22 +1/11 - 1/25/3x 11/5 + 4/345 x 2/3+1/3 x 157/19+ 12/19 x5/6347+45x2-416052 (58+37) m (64-9x5)95m (64-45)178-1455x6+42812-7004- (9+31x11)85+14x (14+20226)120-36x4-18+35 (58+37) m (64-9x5) (6.8-6.8x0.558.50.12x 4.8v0.12x4.8 (3.2x1.5+2.5)三1650.6.5x (4.8-1.2x4).5.8x (3.87-0.13) +4.2x3.7432.52- (6+9.7283.2) x2.512x6v (12-7.2) -612x6v7.2-60.68x1.9+0.32x1.9.58+370) v (64-45) .420+580-64x21-28136+6x (65-3454-23) 15-10.75x0.4-5.718.1+ (3-0.2990.23) x1 (6.8-6.8x0.558.50.12x4.80.12x4.8 (3.2x1.5+2.5) 4-1.610.15-10.75x0.4-5.75.8x (3.87-0.13) +4.2x3.7432.52- (6+9.7283.2) x2.5 (7.1-5.6) xO.9-1.15 -2.55.4-2.6x (3.7-2.9) +0.627312x6 (12-7.2) -612x6v7.2-633.02- (148.4-90.85) 4-2.58/9/7(25%-695%-12%)*36/4*3/5+3/4*2/5 1-1/4+/96/2 (3/2+ 4/5)8+ ( 1/8+1/9 )8 x5/6 + 5/61/4x 8/9 - 1/310x5/49 + 3/14四年级下册计算题练习第一天学号姓名一、直接写出得数：2.7+63= 0.58+3.5= 6-2.2= 5.6-2.8=25X12= 6. 68-2. 1= 6. 38 +5. 62=3. 92-0. 9=0. 25X10=100X2.003= 6 24-10=123.54-10 0=9. 025X 100=9-2.3-3. 7=4X31X25= 28X04-54=6 5+37X0二5. 5+2.81+4. 5二25X4 = 25 X4 =二、竖式计算并验算：12.65+3 .5=85.6-3.21 =三、计算，有些能简便的要简便计算：89 X99+89 2.63+5.8+7.37+4.2 52X 15-5X52 55X 1 0258.6 5-(3.2+8.6 5) 99X12 5X83200 4-254-42504-8X480+ (146-46X3) 48- (5. 2+2. 03X10) 32X15+ (32. 6+8. 09)四年级下册计算题练习第一天学号姓名一、直接写出得数：2.7+63= 0 .58+3.5= 6-2.2=5.6-2.8=25X12= 6. 68-2. 1= 6. 38+5.62=3. 92-0. 9=0.25X10二 100X2. 00 3二 624-10=123.54-100=9. 025X 10 0二9-2. 3 -3. 7=4X31 X25= 28X04-54 =65+37X0=5. 5+2. 8 1+4. 5=25X44-25X4 =二、竖式计算并验算：12.65+3.5 =8 5.6-3.21=三、计算，有些能简便的要简便计算：89X9 9+89 2 .63+5.8+7.37+4.2 52X 15-5X52 55X1022. 58-1. 6+3.42125 X6445X25+75X45 23. 5-2. 8 -7. 25& 65-(3. 2+8. 65) 99X125X8 3200一2 5一425 0 8X4四年级下册计算题练习第二天学号姓名一、直接写出得数：3.7+8.4= 0.5 8+3.2= 6-3.3= 5.4-2.8=25 X 16=6. 68 -