四年级数学数学计算.doc
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1、Four short words sum up what has lifted most successful individuals above the crowd: a little bit more.-author-date四年级数学数学计算绿色圃中小学教育网竖式计算(1) 624 17 (2) 15 914 (3) 422 74 (4) 894 45 (5) 103 80 (6) 445 32 (7) 49 958 (8) 212 25 (9) 21 498 (10) 80 857 (11) 980 69 (12) 371 16 (13) 70 569 (14) 53 223 (15)
2、 36 499 (16) 516 47 (17) 37 438 (18) 840 78 (19) 918 62 (20) 946 80(21) 970 97 (22) 456 24 (23) 544 17 (24) 484 44 (25) 730 73 (26) 924 21 (27) 806 62 (28) 697 41 (29) 870 87 (30) 684 57 (31) 726 66 (32) 816 68 (33) 920 92 (34) 830 83 (35) 885 59 (36) 846 47 (37) 868 28 (38) 780 12 (39) 847 77 (40)
3、450 30 (41) 34.8511.73 = (42) 75.859.35 = (43) 4.3940.78= (44) 67.2319.17 = (45) 50.148.6 = (46) 91.9175.10 =(47) 53.7331.75 = (48) 64.4814.2= (49) 39.034.98=(50) 2.040.13= (51)28.3624.07= (52) 61.8369.95= (53) 65.3638.06= (54) 29.318.02= (55) 42.0932.4= (56 18.0834.09= (57) 47.6331.59= (58) 17.4210
4、.44= (59)16.2414.18= (60) 55.928.75= (61) 1.23+6.52= (62) 5.32-0.93= (63) 4.26+8.21= (64) 6.35-5.23= (65) 1.23+5.69= (66) 1.26+5.21= (67) 40.96-0.23= (68) 7.26-4.93= (69) 2.16-0.23= (70) 9.28+7.32= (71) 5.2-0.9= (72) 2.65+9.32= (73) 4.63-8.92= (74) 7.65-6.23= (75) 8.28+4.75= (76) 9.23+5.45= (77) 6.2
5、3-4.53= (78) 6.52+2.63= (79) 4.62+8.95= (80) 8.52+4.7= (81)43224= (82)62523= (83)83743= (84) 85017= (85)78026= (86)54417= (87)580x12= (88)766x53= (89)910x40= (90)78020= (91)105x99= (92)89828= (93)342030= (94)969030= (95)750050= (96)506x44= (97)869x35= (98)777x20= (99)84024= (100)70444=(101)206x12= (
6、102)52040= (103)92023= (104)86432= (105)48032= (106)230x45= (107)723x19= (108)84060= (109)67221= (110)75458= (111)89739= (112)62426= (113)76018= (114)17317= (115)408050=(116)30561= (117)30637= (118)60067 (119)128016 (120)72018= (121)396 x 36= (122)360025= (123)84014 = (124)96024= (125)50 x 60 = (126
7、)51+69+36 = (127)52 x 78= (128)53+87+68= (129)54 x 84= (130)556 x 45= (131)506-36-84= (132)957-27-168 (133)658-18-52 = (134)359-91-13= (135)870 x97= (136) 59420= (137 ) 32610= (138) 99319= (139)701289= (140)4599= (141)18531= (142)28701=(143)29754= (144)16221= (145)64321=(146)71315= (147)72460 (148)2
8、5040 (149)73276 (150)75340= (151)15047 (152)40326 (153)75500 (154)60058= (155)81450= (156)92507 (157)30714 (158)30821= (159)77046 (160)13024=简便计算:728(272986) (139192)61 126(547446) 928812 28654464 46283117 5246(246694) (2530)41581252 10356 8(12530) 12151235420755 679339 9865 99999简便计算5(1820) 5(1820)
9、 311282831 252774 2536 35102 9834 12532 42035 256254 256254 4598 20134 2574 25(74) 36250 48125 28085 658765655 54045 简便计算38623838 3212525 38623862 453267453 307498351 98+265+202 77+175+223+125 96+266+204355+260+140+245 234+130+270+366 1034+78+320+102 250134 4345 40335 88125 72125 1253225 2536 25(200
10、+4) 25(4+8) 25(4+10) 125(8+4) 125(80+8) 8(125+25) 简便计算 16667+3467 6719+6781 7854+4678282+2870+2828 5738+3843 5715+23+15 (125-40)88(125-25) 40(25-7) 125(80-8) 25(40-4) 723-237 1846-846 59186-8659 17556-5670-565358+353-35 599+5 9938+38 99162+16212399+123 8899+88 3699+36 136101-136简便计算99101-99 782101-7
11、82 163101-163 870101-870 762101-762 9899 16399 3520188101 10322 273-73-27 123-68-32 807-365-235 123-(23+48) 983-(583+126) 574-(74+89)3200425 20001258 1500254 800254 560008125 128016 72018 396361328+1373-13 8030+3022-302 358+353-35 简便计算1672 +1673+1675 28225-2225-6225 398+639-394 3.070.381.62 7.32.77.
12、32.7 5.93+0.19+2.81 31678-3162+31624 7.54.96.5 36.541.764.54 162 +163+165 1.27+3.9+0.73+16.1 48.42.7851.6 23.40.813.47.2 139.46(58.74+19.46) 4.8+8.63+5.2+0.37 2.35+1.713+0.287+7.65 5.171.83.2 6.94.83.1 简便计算 0.4566.223.78 15.89(6.755.89) 12.7(3.70.84)4.025.40.98 13.75(3.756.48) 3.687.562.68 7.852.340
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