分数加减乘除混合运算 715 - 215 712 - 112 1 - 916 9711 - 11 33118 + 8 6 + 6 314 +314 34 + 3.5 1111111152+ 3= 3+ 5= 8+ 9= 7+ 4= 9111111112 3= 3– 5= 8– 9= 7– 4= 891719138 +8 = 24 -24 = 1936 +336 = 37 +47 = 118 -18 = 111234 -9 = 13 -13 = 89 +411 +19 = 1-16 -16 = 3117334 +4 +4 = 8 -8 +8 = 2.计算(能简算的要用简便方法计算) 1415 -1315 +815 41517 +872151512 +317 68 -16 -316 6.5+1133326 -4.8 158 -54 +4.8 9.28-3813 -213 -113 10314 -(2314 +3.9) 101116 -320 -2.45+1.6 56 -16 = 34 ×23 = 55106 ×5= 3÷7= 7 ÷21 = 2)、计算(要写出计算过程)。 42÷61942557 38÷20 25 ÷5 99 ÷9 711×23 56 -13156 4+8 24╳12 + = (1)451553271584 (3)32 (2) (4) 147223122491558411125373137471 (6) (7) (8) 1523189245841625152(5) 本文来源:https://www.wddqw.com/doc/6361bfde4a73f242336c1eb91a37f111f0850d43.html