异分母分数加减法计算题(能简算就简算)(1)58 - 310 +14(2)1- 124 + 548(3)34 +215 -112(4)535 -223 +316(5)57 - 415 +27 - 215(6)34 -﹙ 34 -23 ﹚(7)2-18 -78(8)4.75 +538 -334(9)45 -14 +13(10) 910 + 320 - 315(11)1- 712 +34(12)2728 +﹙ 1314 -57 ﹚(13)256 -﹙ 23 + 712 ) (14)1514 -512 +756(15)156 -﹙313 -112 ﹚(16)1.875 +23(17)81 +152 +87(18)65 +43 -31(19)1112 - ( 16 + 18 ) (20)11-710 -310(21)712 - ( 34 - 12 ) 12 -(34 -38 )43 +75 +2154 +32 +51175 -514 +321-1817 -181107 -(73 -103) 1211 +1615 +158512 + 34 + 112710 - 38 - 1881 +152 +8765 +43 -311112 - ( 16 + 18 ) 11-710 -310712 - ( 34 - 12 ) 12 -(34 -38 )12 - (34 - 38 )56 - (13 + 310 )23 + 56 - 1645 811 -(30 25 +8 811 ) 447 +6 29 +5 37 + 79 1512 -3 15 -2 14 7.6+1 59 + 45 + 49 24-(759 +12 712 ) 214 -1 316 +0.75