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1、戴嘉翼暑假作业二年级下册混合运算练习题77-46+3265-38+2679+19-56(58-34)-884-27+16=4+27-1693+23+9469-(39-23)99+ (25-24)=(2+ 7)X86X( 2+ 6)3X 9X 3=4X 6+ 720-4+ 56X 8+ 5(75 - 18)X 79X 6 + 410+ 5X 477-76+3261-38+2679+19-1618-36+2787-27+1630+(23-29)73-23-493-(39-23)71- (25-24)99-46+3265-39+2699+99-5659-36+2994-29+9630-(23-29)
2、93-23+9433-(39-23)99- (25-24)99-96+3269-39+2699+99-966X 2+ 77X( 45- 5)19+ 9X 6=(19+ 2)十 3(36 - 4)+ 2732-4+ 16=29- 4X 216-2X 742-6X 799-36+2999-29+9630-(23+29)3+23+9493-(39-23)99- (99-29)55-46+2265-28+2658+18-5658-26+2584-25+16=4+25-1682+22+8468-(28-22)88+ (25-24)55-56+2261-28+2658+18-1618-26+2585-25
3、+1620+(22-28)52-22-482-(28-22)51-(25-24)88-46+2265-28+2688+88-5658-26+2884-28+8620-(22-28)82-22+8422-(28-22)93- (25-24)88-56+2267-28+2688+90-8638-26+2888-28+1620-(22+28)22+22+8482-(28-22)88+ (88-28 )77-46+3263-38+2679+19-36=7 6 + 72 - 8(100-63)X 838-(49-21)=42-( 1 + 6)6X( 5 + 4)6+ 8X 4(6 + 2)X 7(40
4、- 28)- 6(42+ 30)X 25X 3+ 99X 8 + 308X 7+ 30=6X 8 + 6(66 - 50)- 236 -(2 + 4)38-36+2784-27+16=4+27-1693+23+9469-(39-23)99+ (23-24)77-76+3261-38+2679+19-1618-36+2787-27+1630+(23-29)一一一一73-23-493-(39-23)71- (23-24)一一一一99-46+3263-39+2699+99-36一一一一39-36+2994-29+9630-(23-29)一一一一93-23+9433-(39-23)99- (23-24
5、)一一一一99-96+3269-39+2699+99-96一一一一79-36+2599-29+9630-(23+29)一一一一23+23+9493-(39-23)99- (99-29)一一=一一30- (19 + 2)(26 + 28)十 934+ 8X 2一一一一(3+ 5)X 636-9X 6(88 16)- 8一一一一9X 8-213+ 4X 68X 4+6一一=一一42- 7X 6609X 42X( 2+ 5)一一一一33-46+2263-28+2638+18-36一一一一一#戴嘉翼暑假作业#戴嘉翼暑假作业38-26+2382+22+8433-36+2236+74-2615+94-26
6、12+88-2672-( 3X 3)36+ 5X 7(75 - 18)X 781-( 1X 9)36+ 7X 7(35- 28)X 755+ 7X 7(79- 23)- 884-23+164+23-1668-(28-22)88+ (23-24)61-28+2638+18-16=36+34-2696+99-2616+77-2696+99-2656+94-2656+84-26(42 - 20)- 29X 8+ 517-(10-3)56-8X 7=9X 6 + 424-4X 8=(82 - 26)- 74X 8+ 51=63-(21- 12)56-8X 79X 6+ 4236-4X 8=49-(14- 7)81-9X 8=7X 6+ 4216-4X 8#戴嘉翼暑假作业24+12十 635-63-75X 8-39(23+49)十 848-18-38X 7 34(52-45) X 623+ 5X 82X 6+ 37=7X 5+1832 - 4+2572 - (24-16)=(34+47)十 9562X 6903X 954+18- 635-21-78X 8-39(33+49) 6848-24-38X 7 55(39-30 )X 623+ 6X 86X 6 + 27=7X 5+1812-4+7564-(24-16)=(85-31 ) -9566X 6909X 9
