西南师大版小学数学计算去括号练习300题及答案

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西南师大版小学数学计算去括号练习300题及答案

(1)[89-(25+44)]×45

(2)(9.77+8.9)-4.9×1.2

(3)[4.2-(3.9-0.7)]×0.8

(4)777-(377-111)

(5)2.8×(4.3+3)

(6)6.1×(2.9+4.9)

(7)17.4-(6.4-8.63)=

(8)576÷(70-34)

(9)20.71-(9.71+0.99)=

(10)23.04÷(4.3+5.3)(11)2478÷(31+28)

(12)668-(268-37)

(13)(32.5+503)÷35

(14)(5-3.5)×6.8

(15)629-(329+247)

(16)121-(1671-306)÷35

(17)[90-(21+47)]×31

(18)28×(62+400÷16)

(19)[28-(94-90)]×31

(20)8.21-(1.21+3.97)=

(21)516-(116+231)

(22)39+(728-216)÷16

(23)(17+16)÷11

(24)0.44÷(2.2×4)=

(25)35.54-(17.54-2.27)=

(26)[8.4-(5.4-1.9)]×4

(27)73-(3153+287)÷86

(28)(48÷12-3)×19

(29)[16.15-(8.5-2.1)]÷1.3

(30)[6.8+(5.8-9)]×3.5

(31)41×18-(95-24)(32)(38-396÷36)×20

(33)[14.44+(4.1-4.3)]÷8.9

(34)[99-(47+34)]×10

(35)705-(305-97)

(36)(2.5+237.3)÷10.9

(37)(50÷25-2)×23

(38)[8.5-(0.2-9.6)]×2.9

(39)(82-770÷35)×50

(40)1188÷(79-43)

(41)(33.1-9.5)-3.8×4.5

(42)[20+(38-20)]×34

(43)(24+1012÷46)×35

(44)[15.15+(1.3-3.7)]÷2.5

(45)185+(6247-2719)÷72

(46)[48-(63-62)]×28

(47)(2.4-1.3)×84

(48)12÷(9.3-5.3)

(49)[10.62-(6.7-0.4)]÷0.9

(50)[7.1-(6-5.1)]×0.3

(51)38.5-(10.5-8.52)=

(52)8.39-(4.39+2.89)=

(53)(76+420÷35)×42(54)(17-160÷20)×12

(55)50.75-(16.75+4.79)=

(56)(3.37+142.298)÷36.6

(57)(92-62)×(84÷28)

(58)306-(106+113)

(59)3.9×(9.6-8.3)

(60)(72-22)+41×18

(61)[4.9+(2.6-7.4)]×1.4

(62)671-(271+103)

(63)49.14-(13.14+4.69)=

(64)851-(451-175)

(65)[3.21+(6-3)]÷6.9

(66)331÷(33.1×2)=

(67)2322÷(41+13)

(68)18×[(1039+11)÷42]

(69)[85-(16+18)]×42

(70)49×(9.4-0.1)

(71)[3.6+(7-9)]×1.8

(72)95×(6.2+3.3)

(73)785-(285-144)

(74)(2.85+1721.95)÷39.2

(75)45×(25+1104÷48)(76)19×(5.8+6.5)

(77)47×(78+1400÷50)

(78)(585÷45+57)×8

(79)[68-(72-62)]×35

(80)6×(9.6+5)

(81)1960÷(970-30×31)

(82)(43×38+316)÷30

(83)[60-(15+39)]×35

(84)1541÷(35+32)

(85)10×[(828+12)÷42]

(86)682-(582+36)

(87)43.6÷(21.8×4)=

(88)[25.14-(0.3-8.6)]÷7.6

(89)(283+37)÷80

(90)(96-85)×(459÷17)

(91)45.78-(12.78-6.45)=

(92)554-(154-49)

(93)34×29+(21-21)

(94)48×[(775-21)÷26]

(95)726÷(222-20×10)

(96)(148+365)÷27

(97)50.11-(8.11+10.17)=(98)(49×25+49)÷49

(99)[7.2+(5.2-8.8)]×1.4 (100)(35-21)×(594÷27) (101)49.24-(1.24+0.45)=(102)704÷(820-42×19) (103)423-(323-36) (104)[1.5+(4.7-1.5)]×1.2 (105)49.62-(11.62-1.25)=(106)236÷(19+40) (107)154+(523-53)÷47 (108)140÷(55-45)

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