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1、二年级下册混合运算练习题77-46+32 65-38+26 79+19-56 58-36+27 84-27+16= 4+27-16 93+23+94 69-(39-23) 99+(25-24)77-76+32 61-38+26 79+19-16 18-36+27 87-27+16 30+(23-29)73-23-4 93-(39-23) 71-(25-24)99-46+32 65-39+26 99+99-56 59-36+29 94-29+96 30-(23-29)93-23+94 33-(39-23) 99-(25-24)99-96+32 69-39+26 99+99-96 99-36+29
2、 99-29+96 30-(23+29)23+23+94 93-(39-23) 99-(99-29)55-46+22 65-28+26 58+18-56 58-26+25 84-25+16= 4+25-1682+22+84 68-(28-22) 88+(25-24)55-56+22 61-28+26 58+18-16 18-26+25 85-25+16 20+(22-28)52-22-4 82-(28-22) 51-(25-24)88-46+22 65-28+26 88+88-56 58-26+28 84-28+86 20-(22-28)82-22+84 22-(28-22) 88-(25-2
3、4)88-86+22 68-28+26 88+88-86 88-26+28 88-28+86 20-(22+28)22+22+84 82-(28-22) 88+(88-28)77-46+32 63-38+26 79+19-36 38-36+27 84-27+16= 4+27-1693+23+94 69-(39-23) 99+(23-24)77-76+32 61-38+26 79+19-16 18-36+27 87-27+16 30+(23-29)73-23-4 93-(39-23) 71-(23-24)99-46+32 63-39+26 99+99-36 39-36+29 94-29+96 3
4、0-(23-29)93-23+94 33-(39-23) 99-(23-24)99-96+32 69-39+26 99+99-96 99-36+29 99-29+96 30-(23+29)23+23+94 93-(39-23) 99-(99-29)33-46+22 63-28+26 38+18-36 38-26+23 84-23+16= 4+23-1682+22+84 68-(28-22) 88+(23-24)33-36+22 61-28+26 38+18-1636+74-26 36+34-26 96+99-2636+94-26 16+77-26 96+99-26 86+88-26 56+94-26 56+84-26