二年级数学下册脱式计算练习题.doc

二年级数学下册脱式计算练习题.doc77-46+32二年级下册混合运算练习题65-38+26 79+19-56(58-34)-884-27+16=4+27-1693+23+94(2+7)x84x6+7(75-18)x769-(39-23)6 x(2+6) 320m4+569x6+41077-76+3261-38+2699+(25-24)x9x3x8+5+5x479+19-161&36+277-27+1630+(23-29)73-23-493-(39-23)71-(25-24)99-46+3265-39+2699+99-5659-36+2994-29+9630-(23-29)93-23+9433-(39-23)99-(25-24)6x2+7 7(19+2)-3x(45-5)(36-4)+2719 +9x632 -4+1629-4x2 1642 -6x799-36+2999-29+9630-(23+29)3+23+9493-(39-23)99-(99-29)55-46+2265-28+2658+18-5658-26+254-25+16=4+25-162+22+8468-(28-22)(25-24)55-56+2261-28+2658+18-161&26+255-25+1620+(22-28)52-22-42-(28-22)51- (25-24)-46+2265-28+2688+88-562-22+8422-(28-22)8&(25・24)-86+2268-28+2688+88-8688-26+2888-28+8620-(22+28)22+22+8482-(28-22)88+(88-28)77-46+3276+72-863-38+2679+19-36(100-63)x38 —(49-21)42-(1+6)6 x(5+4)6+x4(6+2)x75x3+96x8+638-36+27(40-28)-6(42+30)x293+23+949 x8+308 x7+30(66-50)-236-(2+4)4-27+16=4+27-1669-(39-23)99+(23-24)18-36+2773-23-499-46+3239-36+2993-23+9499-96+3299-36+2923+23+9430-(19+2)(3+5)x69x-2142-7x633-46+2287-27+1630+(23-29)93-(39-23)71- (23-24)63-39+2699+99-3694-29+9630-(23-29)33-(39-23)99-(23-24)69-39+2699+99-9699-29+9630-(23+29)93-(39-23)99-(99-29)(26+28)-934+8x236m9x6=(88-16)一83+4x68x4+660—9x42x(2+5)63-28+2638+18-3638-26+2384-23+162+22+8433-36+2236+74-2668-(28-22)61-28+2636+34-264+23-1688+(23-24)38+18-1696+99-2636+94-2616+77-2696+99-2686+-2656+94-2672m(3x3)(42-20)-236+5x7 7-(10-3)(75-18)x7 9x6+4U(1x9)(82-26)-736+7x7 63-(21-12)56+84-269 x8+5156 - 8x 724 - 4x 84 x8+5156 - 8x 7(35-28)x7 955+7x7 49(79-23)-x6+42-(14-7)x6+4236 - 4x 881 - 9x 816 - 4x 8