小学三年级数学口算

1、 试题 64080= 155= 233= 1225= 548080= 165= 273= 9015= 484= 64016= 393= 2420= 323= 4816= 128= 273= 5614= 248= 142= 8345= 56080= 9624= 4020= 4030= 3726= 7639= 60559= 3023= 128= 2732= 4827= 450020= 7315 = 120600 = 200360= 6800400= 280270= 42500= 600040= 51280= 31070= 40014= 470180= 100025= 160600= 20420=

2、290300= 8100300= 7600200= 7600400= 680270= 98014= 420030= 61300= 130050= 20048= 930660= 530280= 9200400= 84021= 180500= 8000500 = 190020= 200160= 8700300= 300330= 31400= 700014= 60012= 960080= 140300= 880040= 9600800= 750290= 5490= 76020= 7500500= 370200= 65013= 86004200= 2404= 64080= 1510= 1211= 16

3、030= 22040= 1045= 450050= 1202= 9030= 27030= 27030= 8421= 769= 667= 10054= 12315= 3604= 555= 326= 70007200418030= 24040= 352= 1407= 136= 2803= 3502= 5011= 2506= 7200+900= 410-201= 1258= 4820= 6600600= 390+140= 1180= 2450= 3600400= 400050= 53070= 42090= 960030= 7700= 203+98= 1800300= 240+570= 4800400

4、= 370+580= 580490= 910370= 258= 270190= 362= 7525= 33011= 6800= 54009= 42060= 9800= 3330= 3007= 9500= 39013= 6300700= 5600700= 480012= 35007= 370560= 520490 45090 80330 70700 700070 40008240020420917032100051 5202691019352022208800409300306301800209300328043041939021250521466002276019660220 500050 1

5、0091 753299 700070 20040 18030= 24040= 352= 1407= 136= 2803= 3502= 5011= 2506= 7200+900= 410-201= 1258= 4820= 6600600= 390+140= 1180= 2450= 3600400= 400050= 53070= 42090= 960030= 7700= 203+98= 1800300= 240+570= 4800400= 370+580= 580490= 910370= 258= 270190= 362= 7525= 33011= 6800= 54009= 42060= 9800

6、= 3330= 3007= 9500= 39013= 6300700= 5600700= 480012= 35007= 370560= 5204945098033707070007400082400204209170325202691019352022200 8800400 9300300 6300 1800200 930030 28040 304199 39026 125050 2140 6600220 760198 660220 500050 10091 753299 1740 10063 3.21.68 2.80.4 147.4 1.920.04 0.32500 0.654.35 105

7、.4 420 3.5200 1.50.06 0.7515 0.40.8 40.25 0.361.54 1.0199 42035 2512 1350.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 2 - 1/6 -1/3 = 0.511732.8195.21.31.60.4.90.7156120.870.43*456-346*83*6= 65-479*8= 6*45+337+3511*314*220*6= 122+13=

8、 21-18= 43-32= 13*3= 21-19= 938+78 875+235 745+196 468+152 508+377 594+377 657+152 439+575 796+164 787+313 528+887 847+819 369+248 765+237 444+868 439+353 366+375 429+571 527-234 919-148 354-198 725-288 831-479 636-349 852-546 549-186 927-349 794-395 983-876 745-197 666-477 815-538 726-497 909-148 7

9、000-252 608-309 305-176 700-252 608-309 305-17900-371 643-257 501-26926-53763-66764-50532-16400-227 956-48715-64880-51800-43550-24270-90 580-420+37330+16720-14440-268+47 900-640 480+180 650+300 480+120 701-228 47+30 102= 7247= 205= 2715= 202= 633= 275= 5103= 409= 2330= 844= 153= 124= 5139= 4815= 999

10、= 755= 2055= 4610= 2420= 872124= 27127= 7005= 35070= 5913= 8122= 1782= 3080= 8008= 26585= 11035= 9013= 0245= 0245= 0245= 2455= 3000300= 6055= 5050= 3063= 702199480312080= 278= 6215= 8604= 1954020= 52043051171561873= 9131801046558708= 40020210745009580= 30030= 88112= 3807= 368= 867= 2790= 333= 8808= 4808= 2222= 1650= 1939= 27030= 927= 3860= 144= 1304= 8103= 7224= 164= 876= 676= 3632= 554= 50244= 999= 8008004= 897= 72726= 8210= 90303= 68020= 1233= 588= 5730= 86862=