三年级数学口算题300道.doc

三年级数学口算题300道45+156=25058=6524=303+8=4004+205=10+123+20=(8020+80)4=70+(100-105)=36040= 4020=80-25=70+45=902=166=3006= 5409=3020=4004= 350-80=160+70=18-648=426+20=40-57=80+603=41+182=75-115=42+7-29= 560080=2516=12025= 3611=102525=336+70= 2594=200-333=3020-1010=1250=258=2311= 253 12525=4200-2200=220+80= 2085=600-3200=20+202= 35-255=36+8-40=28004070 =9814 =9624 =5614 =6513 =7515 =12024 =20025 =80016 =84021 =56014 =39013 =60015 =7224 =8517 =9015 =9616 =7826 =5117 =8040 =10020 =1004 =24040 =9204 = 30060=642 =644 = 505 =608 =964 = 906 =400+80 =400-80 = 4080 =40080 =4816 = 9624 =1605= 86.4250= 0518= 1076=3610=156= 243= 518= 264= 715=3230= 4015= 6012= 2330= 3050=5700=211+880=700-450=120+882=744-237=120-120=450+905=987-456=462-364=165+941=752-321=300-118=100+173=300-121=100+183=300-124=100+193 =300-127 =100+203 =300-130 =100+213 =300-133 =100+223 =300-136 =100+233 =300-139 =100+243 =300-142 =100+253 =300-145 =100+263 =300-148 =100+273 =300-151 =100+283 =300-154= 100+293 =300-157 =100+303 =300-160 =100+313 =300-163 =100+323 =300-166 =100+333 =300-169 =100+343 =300-172 =100+353 =300-175 =100+363 =300-178 =100+373 =300-181 =100+383=7208=697= 3724=2483= 3454=1563= 4348=2575=3726= 1855=6093=8155= 8913=3573=8042= 4655=9003=5483=5404=4564=6405=7634=4604=8063= 7692=5525=7217=6426= 6273=5055=4022=3063= 7326= 2404=3188= 2463= 5175=4518=6497=2483= 3783=4882=8404=3786= 4888=8409=9317=5466=1866=3417= 2673= 4683=4986= 5117= 1955=6243= 6307= 8469= 8244= 1284= 9213= 7593=3255= 2455= 2883= 3655=1884= 7388=3186= 3244=7005= 3249= 18711= 3955=5706= 1124= 34512= 5319=6727= 2979= 4067= 3069=7928= 2502= 12508= 1254= 9877= 6455= 8884= 6663=7473= 7479= 5706= 4563=5913= 4444= 1231=9990=4555= 4599= 3699= 3693=1362= 1809 = 8004 =7809=5133= 6006= 21003= 1263= 7286= 4008= 889= 307=6126= 1337= 1386= 1288= 45(153)= 3693= 2462= 8523=582+29=256+48=756+75=459+45= 147+25= 652+85=152+48= 246+86= 364+82=568-42=478-89= 364-