二年级数学下册脱式计算练习题

1、二年级下册混合运算练习题X - +77-46+3265-38+2679+19-56=(58-34)-884-27+164+27-16=93+23+9469-(39-23)99+ (25-24)=(2+7) X86X (2 + 6)3X9X3=4X6+720+4+56X8 + 5=(7518)79X6 + 410+ 5X4=77-76+3261-38+2679+19-16=18-36+2787-27+1630+(23-29)=73-23-493-(39-23)71- (25-24)=99-46+3265-39+2699+99-56=59-36+2994-29+9630-(23-29)=93-23

2、+9433-(39-23)99-(25-24)=99-96+3269-39+2699+99-96=6X2+77X (45+ 5)19+ 9X6=(19+2) +3(36+4) + 2732+ 4+16=29- 4X216+ 2X742+ 6X7=99-36+2999-29+9630-(23+29)=3+23+9493-(39-23)99- (99-29)=55-46+2265-28+2658+18-56=58-26+2584-25+16=4+25-16=82+22+8468-(28-22)88+ (25-24)=55-56+2261-28+2658+18-16=18-26+2585-25+16

3、20+(22-28)=52-22-482-(28-22)51-(25-24)=88-46+2265-28+2688+88-56=58-26+2884-28+8620-(22-28)=82-22+8422-(28-22)88- (25-24)=88-86+2268-28+2688+88-86=88-26+2888-28+8620-(22+28)=22+22+8482-(28-22)88+ (88-28)=77-46+3263-38+2679+19-36=76+ 72+8(100 63) X 838(49-21)=42+ (1+6)6X (5 + 4)6+ 8X 4=(6 + 2) X 7(402

4、8) +6(42+30) X 2=5X3+99X8 + 308X7 + 30=6X8 + 6(6650) +236 + (2 + 4)=38-36+2784-27+16=4+27-16=93+23+9469-(39-23)99+ (23-24)=77-76+3261-38+2679+19-16=18-36+2787-27+1630+(23-29)=73-23-493-(39-23)71-(23-24)=99-46+3263-39+2699+99-36=39-36+2994-29+9630-(23-29)=93-23+9433-(39-23)99- (23-24)=99-96+3269-39+2

5、699+99-96=99-36+2999-29+9630-(23+29)=23+23+9493-(39-23)99- (99-29)=30- (19+2)(26+28) +934+ 8X2=(3+5) X 636+ 9X6 =(8816) +8=9X8 213+ 4X68X4+6=42+7X660 9X42X (2 + 5)=33-46+2263-28+2638+18-36=38-26+2384-23+164+23-16=82+22+8468-(28-22)88+ (23-24)=33-36+2261-28+2638+18-16=36+74-2636+34-2696+99-26=36+94-2

6、616+77-2696+99-26=86+88-2656+94-2656+84-26=72+ (3X3)(4220) +29X 8 + 51=36+ 5X77一 (103)56+ 8X7=(7518) X 79X6 + 424+ 4X8=81+ (1X9)(8226) +74X 8 + 51=36+ 7X763+ (21 12)56+ 8X7=(35 28) X 79X6 + 4236+ 4X8=55+ 7X749+ (147)81+ 9X8=(79 23) +87X6 + 4216+ 4X8=24+12+ 635-63+ 75X8-39=(23+49) +848-18+ 38X7-34=(52-45) X 623+ 5X82X6+37=7 5+1832+4+2572+(24-16)=(34+47) + 956 2X690 3X9=54+18+635-21+ 78X8-39=(33+49) -6848-24+ 38X7-55=(39-30) X 623+ 6X86X6+27=7 5+1812+ 4+7564一 (24-16)=(85-31 )