1、四年级下 递等式100题精品文档25424 68125 43925 425+16254251625 (25+15) 4 (2515)4 4949+49514999+49 (68+32)5 68+325 (12525)8(125 + 17)8 2564125 8582 + 8215 2597 + 253 64151415 12588 88102 528928799 + 87 7925 + 25 7610176 378 + 527 + 73 167 + 289 + 33 58 + 39 + 42 + 61 3645+365636 6693+9333+93 36975836+6136 355+260
2、+140+245 10299 2125 645-180-245 382101-382 460508 358+356-435 12532 2546 10156 9926 1022-478-422 987-(287135) 478-256-144 672-3664 3664-3664 487-287-139-61 500-257-34-143 2000-368-132 1814-378-422 899989 1552643644 25(204) 8822522512 698-291-9 568-(68178) 561-1958 8216535-82 15525645-98 236+189+64 7
3、59-126-259 25794 569-256-44 216+89+11 571258 1050157 72002430 219 99 37 98 58 101 76 102 7846+7854 16912323169 3799+37 129101129 14969149+14932 5651+5648+56 1252532 2425 12548 514+189214 369256+156 56254125 2473+2624 1698+32 512+(373-212) 228+(72+189) 169+199+399 109+(291-176) 8.42+8.46+8.54+8.58 6.94.83.1 0.456.223.7815.89(6.755.89) 18.75+76.3+1.25+23.7 100-25.64-34.36 8.5+7.6-8.5+2.4 6.37-2.5-1.536.06-(5+6.06) 5.85+1.89+2.1524.8+14.6+15.4 5.851.750.2515.89(6.755.89) 4.025.40.98 3.687.562.68 3.822.90.189.1 收集于网络,如有侵权请联系管理员删除