1、1一年级数学下册小括号口算练习题一年级数学下册小括号口算练习题班级班级考号考号姓名姓名总分总分24+(8+15)=23-(9-8)=44(2+8)38(4+6)72+(9-5)66(14-6)33(14+5)80(7-5)63(13-7)38-(20+6)4+(20+42)=70-(30-7)=55-(30-10)=17-(15-5)=40-(36-10)=40+(34-8)=84-(2+8)=52-(37-7)=15+(50-45)=25+(4+36)=22+(42-8)=78+(28-2)=42-(10-5)=83+(10-9)=38+(95-85)=60+(26-7)=40-(14+14
2、)=45+(50-20)=72-(36-9)=28+(13-6)=80-(35-30)=13+(49-40)=17+(39-20)=20-(8+4)=80+(9-8)=42-(2+8)42+(14+6)40(9-5)65(4+6)14+(8-4)=27+(9-8)=40(2+8)35+(4+6)79+(9-5)63(4+6)28-(8+4)=20+(9-8)=40(2+8)54+(8+5)=23+(19-8)=40(3+8)38(4+6)72(9+5)66(4+2)39(14-5)80(7-5)63(3+9)38(50-6)14+(23+42)=60+(30-5)=18+(30-10)=19+
3、(15-5)=40+(26-10)=42+(34-6)=84-(2+8)=50-(17-7)=18+(50-45)=22-(14+3)=20+(32-8)=62+(28-2)=40-(10-5)=80+(10-9)=18+(95-85)=40+(16-7)=40-(24-14)=40+(50-20)=70-(30-9)=26+(14-6)=82+(35-30)=15+(45-40)=7+(39-10)=26+(8+4)=83+(19-8)=48(14+8)48(4+6)42(19-5)69(14-6)19+(8+4)=23+(19-8)=45(2+8)36(4+6)79(19-5)60(4+6
4、)25+(8+4)=28+(19-9)=46(2+8)24+(8+5)=23+(9-8)=40(2+8)32(4+6)72(9-5)66(4+6)39(4+5)89(7-5)63(3+7)38(50+6)4+(23+42)=60+(30-7)=15+(30-10)=17+(15-5)=40+(36-10)=40+(34-6)=84+(2+8)=50-(37-7)=10+(50-45)=22+(4+36)=20+(42-8)=60+(28-2)=40-(10-5)=80+(10-9)=28+(95-85)=40+(26-7)=40-(14-14)=45+(50-20)=70-(36-9)=26+
5、(13-6)=80+(35-30)=15+(49-40)=7+(39-20)=20+(8+4)=83+(9-8)=48(2+8)42(4+6)42(9-5)69(4+6)14+(8+4)=23+(9-8)=45(2+8)35(4+6)79(9-5)68(4+7)28+(8+4)=28+(9-8)=48(2+8)45(66)=74-(95)=15(64)=29(317)=44(164)=27(812)=88(91)=29(322)=46(45)=35(1510)=37(55)=16(84)=35(812)=74(95)=35(614)=58-(75)=57(93)=48(73)=56-(166)
6、=34(73)=82(93)=97(1710)=32(93)=86(4+10)=45(59)=67(86)=36(185)=84-(195)=69-(2620)=18(722)=88-(91)=19(322)=46-(45)=35+(1510)=37-(155)=36(8+4)=35-(812)=74(19-5)=35-(614)=55-(75)=57(9+3)=48+(73)=56-(266)=34-(7+3)=22(93)=58(1710)=52(93)=86(4+11)=66-(27+10)=38+(14+9)=29+(27+6)=87-(29+6)=45+(55-2)=100-(39+
7、5)=24+(47-6)=88-(66-9)=28+(19+7)=56+(56-9)=51-(62-9)=73-(37+8)=29+(36-9)=90-(13+8)=100-(87-8)=66-(39+7)=75-(18+7)=100-(55+5)=100-(65-6)=67-(29-8)=66-(27+9)=38+(14+9)=29+(28+2)=87-(29+6)=45+(55-2)=100-(29+4)=29+(47-6)=88-(66-9)=28+(18+1)=58+(56-9)=51-(62-9)=73-(35+3)=39+(36-9)=90-(13+8)=100-(87-4)=46-(39+1)=75-(18+7)=100-(55+4)=100-(65-6)=67-(27-8)=88-(66-4)=22+(19+7)=56+(56-9)=51-(32-3)=75-(37+8)=29+(36-2)=90-(53+6)=95-(87-9)=