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