二年级下册数学混合运算练习题(同级运算)77-46+32 65-38+26 79+19-56 93 + 3- 24 84-27+16 4+27-16 77-76+32 61-38+26 87-27+16 73-23-4 99-46+32 93-23+94 52-22-4 1627 4267 58-26+25 84-25+16= 4+25-16 58-26+28 84-28+86 88-28+86 82-22+84 88-86+22 68-28+26 77-46+32 63-38+26 79+19-36 38-36+27 84-27+16= 4+27-16 77-76+32 61-38+26 79+19-16 18-36+27 87-27+16 67+33-88 5687 3696 4276 3648 8198 2448 393 669 1648 1627 1627 2448 423 3696 8193 3242 1627 4267 7292 1536 369 5682 3692 4596 2847 797 247