四年级上册混合运算150道题

四年级上册混合运算150道题同学们，数学运算就像搭建积木，每一步都需要细心和条理。混合运算更是对我们运算顺序掌握程度的综合考验。想要熟练掌握，勤加练习是王道。下面为大家准备了150道混合运算练习题，希望大家能认真完成，逐步提升运算能力。记住，运算顺序是基础：同级运算从左往右，不同级运算先算乘除后算加减，有括号的要先算括号里面的哦！一、基础巩固（不含括号）这类题目主要考察大家对“先乘除，后加减”以及同级运算从左往右顺序的掌握。请同学们务必仔细审题，按顺序计算。1.25+18-72.60-15+233.36÷6×54.24×2÷85.12+8×36.45-6×77.30÷5+148.56-24÷39.7×8-2010.40+15×211.63÷7+2812.80-12×513.9×3+4214.66-48÷615.28÷4×916.15×4-3017.33+27÷318.70-8×619.16÷2+5420.9×9-5021.42+18-3522.50-25+1723.48÷8×724.18×3÷925.20+5×626.72-9×627.45÷9+3128.64-36÷429.6×7-1130.35+20×331.81÷9+1932.90-14×433.8×4+5634.75-63÷735.40÷5×836.13×5-4537.57+36÷638.88-7×939.21÷3+6940.6×8-22二、深化理解（含小括号）当算式中出现小括号时，括号就像一个“优先通行证”，要先算括号里面的。这部分题目能帮助大家更好地理解括号在改变运算顺序中的作用。41.(15+25)÷842.60-(12+28)43.7×(36÷6)44.(40-16)×245.30+(50-20)46.(22+18)÷547.80-6×(11-4)48.(90-45)÷949.4×(12+13)50.72÷(18÷2)51.(30+24)÷952.95-(27+33)53.6×(42÷7)54.(56-32)÷455.28+(60-35)56.(19+25)÷657.70-5×(15-8)58.(81-54)÷359.5×(14+16)60.64÷(24÷3)61.(45+15)÷1062.100-(36+44)63.9×(56÷8)64.(72-48)÷665.36+(70-46)66.(28+32)÷867.90-8×(13-6)68.(63-27)÷469.7×(11+19)70.81÷(27÷3)71.(16+20)÷672.85-(19+26)73.8×(35÷5)74.(49-21)÷775.42+(50-23)76.(33+27)÷977.80-3×(12-7)78.(54-36)÷279.6×(15+25)80.54÷(12÷2)三、拓展提升（含两步及以上运算或数字稍复杂）这部分题目综合性更强一些，可能包含多步运算，或者数字组合上需要更细心。请大家沉下心来，一步一步按顺序算，确保每一步的准确性。81.12+18÷3+582.75-15×2-2083.4×6+24÷484.90-63÷7+1285.20+5×(16-8)86.(30+10)÷5×787.6×8-(23+17)88.48÷(10-6)+1589.15+25÷5×490.70-7×7+1391.36+14×2-4092.81÷9+3×693.50-(25+15÷3)94.(42-18)÷6×895.9×4+42÷7-1096.60-12÷3×597.24+(36-18)÷298.(100-64)÷9+2799.8×(5+4)-60100.45÷9+2×11101.30+40÷8-13102.66-12×3+20103.7×5-25÷5104.80-45÷9+17105.18+3×(20-15)106.(28+35)÷7×4107.9×6-(30+12)108.56÷(14-7)+20109.20+30÷6×5110.85-9×8+16111.40+16×3-38112.63÷7+4×9113.60-(30+20÷4)114.(54-24)÷5×6115.8×3+56÷8-15116.70-18÷2×3117.32+(48-30)÷3118.(90-54)÷6+33119.7×(8+6)-49120.54÷6+3×12121.25+60÷10-12122.72-15×4+26123.9×4-36÷6124.90-56÷8+21125.22+4×(25-19)126.(18+42)÷6×3127.8×7-(28+14)128.63÷(16-7)+18129.25+40÷5×3130.95-8×9+19131.45+21×2-50132.72÷8+5×7133.70-(40+18÷2)134.(63-33)÷5×9135.6×5+49÷7-12136.80-24÷3×4137.36+(54-36)÷9138.(100-76)÷4+41139.9×(7+5)-66140.63÷7+2×15141.32+72÷9-18142.88-14×2+30143.8×6-42÷7144.95-63÷7+13145.24+5×(30-22)146.(36+44)÷10×6147.7×9-(35+17)148.72÷(18-9)+25149.30+45÷9×4150.100-9×