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四年级数学混合运算练习题
(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)(90-21×2)÷12 (10)70+(750-65×11)
(11)(800÷20+36)×12 (12)360÷9÷8+16
(13)1080-3500÷50+346 (14)(300÷15-11)×12
(15)350-5×3÷5 (16)480-(80+20)÷4
(17)(82-936÷78)×15 (18)1305-(760+240÷40)
(19)(60-12×4)×15 (20)720+320÷16×7
(21)(328+198÷9)÷70 (22)65+260÷4×98
(23)(73+22)÷(72-67) (24)36×5÷(27-17)
(25)3200÷(1280-72×15) (26)(457+28×14)×5
(27)280÷(240-8×25) (28)30+(96-12×5)
(29)50-[(165+35)÷100 ] (30)32÷(20-96÷24)
(31)480÷[(12+8)×4] (32)(150+120) ÷9×5
(33)540÷(30+60)×6 (34) 78+(520-130×3)
(35)(85+79) ×(87-78) (36) 723-(174×5-396)
(37)960÷[(40-10)÷2] (38)144÷[960÷(245-165)]
(39)360÷[(76-28)÷4] (40)[70-(82-60)]×25
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