六年级分数脱式混合运算及解方程练习题100道

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六年级分数脱式混合运算及解方程练习题100道

一.分数脱式计算题(能简算的要简算.计算结果必须是最简分数)

(1) (2) (3) (4) (5) (6)

328

554÷⨯223751415÷÷2112732⨯÷1549845⨯÷16134387÷⎪⎭⎫ ⎝⎛+⎪⎭⎫ ⎝⎛-÷3121154

(7) (8) (9) (10) (11) (12)5

324592181⨯+÷211575427⨯÷⎪⎭⎫ ⎝⎛-76657668÷-÷241652143÷⎪⎭⎫ ⎝⎛-+271094102795÷+⨯94954343÷⎪⎭⎫ ⎝⎛⨯-

(13) (14) (15) (16) (17)

(18)

32831495÷⨯724526613⨯÷631631⨯÷⨯53815387÷+÷72537553÷+÷56213256⨯-÷

(19) (20) (21) (22) (23)

(24)

5435432÷⨯-324312111117⨯⎪⎭⎫ ⎝⎛-⨯5647311⨯⎪⎭⎫ ⎝⎛⨯-6532132⨯⎪⎭⎫ ⎝⎛-÷75315265⨯⎥⎦⎤⎢⎣⎡⎪⎭⎫ ⎝⎛+-5214352÷-⨯

(25) (26) (27) (28) (29)

(30)

89315143⨯⎪⎭⎫ ⎝⎛+-89131241÷⨯494944÷-÷167839532÷⎪⎭⎫ ⎝⎛⨯-⎪⎭⎫ ⎝⎛+÷7253121⎪⎭⎫ ⎝⎛+÷36127191

(31) (32) (33) (34) (35)

(36)

311383÷⎪⎭⎫ ⎝⎛+1177411773÷+÷91631451÷⎪⎭⎫ ⎝⎛-1744341741÷+⨯52753⨯433416385+⨯+

(37) (38) (39) (40) (41)

(42)161316132413÷⎪⎭⎫ ⎝⎛+181189

5181913-÷+⨯⎪⎭⎫ ⎝⎛++⨯9161181144⎪⎭⎫ ⎝⎛-⨯⨯9217341⎪⎭⎫ ⎝⎛+÷⎪⎭⎫ ⎝⎛-8161413276434378⨯+⨯

(43) (44) (45) (46) (47)

(48)31738343⨯⎪⎭⎫ ⎝

⎛++127658196⨯⨯⨯9119191918⨯+÷7154751⨯+÷⎪⎭⎫ ⎝⎛--÷4121141⎪⎭⎫ ⎝⎛++⨯9161181144

(49) (50) (51) (52) (53)

(54)15

7211265⨯⨯1131155-÷9412774÷⨯2594385⨯÷⎪⎭⎫ ⎝⎛÷÷1361435611693232167⨯+⨯

(55) (56) (57) (58) (59)

(60)8178817

8÷+⨯913798379237⨯-⨯+⨯10941185⨯⨯542153⨯⨯⎪⎭⎫ ⎝⎛-÷⎪⎭⎫ ⎝⎛+2112111613161385÷⎪⎭⎫ ⎝⎛+

(61) (62) (63) (64) (65) (66)15412572⨯⨯41647257÷+÷241813121÷⎪⎭⎫ ⎝⎛++6.0384-÷⎪⎭⎫ ⎝⎛--÷1381353415.951545.9⨯+⨯

(67) (68) (69) (70) (71)

(72)()⎥⎦⎤⎢⎣⎡-⨯÷25.125

251374544⨯261527⨯8115173⨯9117164⨯211

20122⨯

(73) (74) (75) (76) (77)

(78)

41532751⨯+⨯27433941⨯+⨯17653561⨯+⨯1361851329513165⨯+⨯+⨯9117594171⨯+⨯1217661734371⨯+⨯+⨯

二.解方程

(79) (80) (81) (82) (83) (84)

872141=+X 3112565-=÷X 4110385=-X X 5113254=⎪⎭⎫ ⎝⎛+⨯X 31474=+X X 1103103=+X

(85) (86) (87) (88) (89) (90)

525443=⨯⨯X 812143=-X 116111052=÷⨯X 3114175=⨯⨯X 982153⨯=X 53217=÷X

(91) (92) (93) (94) (95) (96)21614332+=+X X 103851=-X 61511=⎪⎭⎫ ⎝⎛+÷X ()81054=-X 24658=÷X 742756=

⨯-X

(97) (98) (99)

(100)8341÷=-X X X X X X =⎪⎭⎫

⎝⎛-÷⎥⎦⎤⎢⎣⎡⎪⎭⎫

⎝⎛--20714153

7

3118722431=⎪⎭⎫

⎝⎛-⨯⎥⎦⎤⎢⎣⎡++⎪⎭⎫ ⎝⎛+X X ()42

54

12=+⨯+X X

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