专项训练-混合运算
(1)3500-(124+76)×16??????
?(2)(480+20×4)÷20???
(3)180+60÷5×6???????????????
(4)1721-36×(432-408)?????
(5)420-(25+15)×4??????????
(6)8×(28+18+15)???
(7)(230-215÷5)×16?????????
(8)(160+880÷20)×4
(9)(328+198÷9)÷70???????????
(10)65+260÷4×98??
(11)(73+22)÷(72-67)???????
(12)36×5÷(27-17)???
(13)3200÷(1280-72×15)???????
(14)(457+28×14)×5???
(15)280÷(240-8×25)???????????
(16)30+(96-12×5)??????
(17)50-[(165+35)÷100?]?????
(18)32÷(20-96÷24)?
??
(19)630÷(21-12)×16????????
(20)(420-42×7)÷9?
??
(21)3500-(124+76)×16???????
(22)(480+20×4)÷20???
(23)180+60÷5×6???????????????
(24)1721-36×(432-408)?????
(25)420-(25+15)×4?????
(26)8×(28+18+15)???
(27)(230-215÷5)×16?????????
(28)(160+880÷20)×4???
(29)(90-21×2)÷12???????????
(30)70+(750-65×11)??
(31)(800÷20+36)×12??????????
(32)360÷9÷8+16???
(33)1080-3500÷50+346?????????
(34)(300÷15-11)×12???
(35)350-5×3÷5????????????????
(36)480-(80+20)÷4???
(37)(60-12×4)×15???????????
(38)720+320÷16×7???
(39)(328+198÷9)÷70???????????
(40)65+260÷4×98???
答案
(1)300?????
?
(2)28?
(3)252??????????????(4)857?????
(5)260?????????
(6)480??
(7)2992?????????
(8)2856
(9)5???????????
(10)6435?
(11)19???????
(12)18???
(13)16???????
(14)4245??
(15)7??????????
(16)66?????
(17)48???
(18)2
??
(19)1120???????
(20)14
??
(21)300??????
(22)28?
(23)252?????????????
(24)857????
(25)260???
(26)480???
(27)2992???????
(28)2856???
(29)4??????????
(30)105
(31)912???????
(32)21??
(33)1356?????????
(34)108??
(35)347?????????????(36)455??
(37)180???????????
(38)860??
(39)5??????????
(40)6435??
?