六年级上册分数乘除法混合运算专项练习题
(1) 3
7
÷
7
4
＋
3
7
×
3
7
(2) 7
11
÷[
2
5
－(1－
7
10
)]
(3) 8
13
÷6＋
1
6
×
4
13
(4) 48×( 1
8
＋
3
16
＋
5
24
)
(5)
7
4
×4.6－1
3
4
×3.6
(6) 4
1
4
÷[(
1
2
＋0.75)×1.2]－2
5
6
(7) (
1
6
＋
3
4
)÷
5
12
(8) (
1
2
－
1
3
×75%)÷0.25
(9) (
3
4
－
5
8
)÷(
1
2
－
1
3
)
(10) (100－9)×( 1
7
－
1
13
)
(11) 1
15
×(
1
3
＋
1
12
)÷
1
12
(12) 62.5%×3＋0.625×7＋5
8
×6
(13) 5
9
×
5
6
＋
4
9
÷
6
5
(14)
5
9
－
3
11
＋
4
9
－
8
11
(15)[
5
6
－(
1
10
＋
1
6
)]×
15
17
(16) (17×
4
9
＋
5
9
×17)÷34
(17) 9
2
5
－(3
3
7
＋0.4)
(18) 7.8×1
5 ＋2.2×20%
(19) 34.7－715 ＋65.3－8
15
(20) (34 ＋116 －13
24 )×12
(21) 712 ×[34 －(1120 －12
)]
(22) 23 ＋( 45 －23 )×5
3
(23) 25 ×67＋33×25
(24)12 ÷[ 56 ÷(310 ＋9
20 )]
(25) (12.5×8－40)÷0.6
(26) 34 ＋2917 ＋14 ＋38
17
(27) 3.4×2.77＋0.23×3.4
(28) 7
4×4.6－1
3
4
×3.6
(29) 41
4
÷[(
1
2
＋0.75)×1.2]－2
5
6
(30) 7
11
÷[
2
5
－(1－
7
10
)]
(31)
7
6
×
3
14
－
1
5
×
3
7
＋
2
3
(32) (
1
6
＋
3
4
)÷
5
12
(33) (
3
4
－
5
8
)÷(
1
2
－
1
3
)
(34) (100－9)×(
1
7
－
1
13
)
(35) 8
5
÷
2
15
－
11
9
－
7
9
(36) [ 5
6
－(
1
10
＋
1
6
)]×
15
17
(37) ( 1
2
－
1
9
＋
1
3
)÷
1
36
(38) 1
15
×(
1
3
＋
1
12
)÷
1
12
(39) 62.5%×3＋0.625×7＋
5
8
×6
(40)
5
9
×
5
6
＋
4
9
÷
6
5
(41) (17×
4
9
＋
5
9
×17)÷34
(42) (
1
2
－
1
3
×75%)÷0.25
(43)
8
13
÷6＋
1
6
×
4
13
(44) 48×( 1
8
＋
3
16
＋
5
24
)
(45) 8
49
÷[
9
8
－(
3
7
＋
1
8
)]
(46) 9×( 4
9
＋
1
14
)＋
5
14
(47) 15
16
÷(
5
12
÷
5
8
＋
3
8
)
(48)
1
7
×
9
13
÷
5
14
÷
3
13
(49)
7
19
× 13＋
13
19
× 31
(50) (
2
51
＋
5
18
)×9×17
(51) (
5
24
＋
7
12
－
2
3
)×48
(52)0.25÷7＋
1
7
×
3
4
＋
6
7
(53) 18 ÷(2－25%－34 )
(54) 718 ÷4＋ 34 ×718
(55)98 ÷[(25 ＋110 )×34 ]
(56) 78 ÷9×35 ÷3572
(57)25 ×518 ＋25 ×1318
(58) 12÷( 56 －1
3 )－20
(59) ??
?
??+-1352171013511
(60）1456.0531495
?+?
(61) 125
19322
??
(62) 433712217
÷÷
(63) 641321161814121+
++++
(64) 53
51431.1152?
+??? ?
?-÷
(65) 74
1
741741741÷??? ?
?-÷?
(66) 211
1
2277133
17713÷???? ??-?
(67)
742321473332157423130?-?+?
(68)
??? ??-÷??? ??+311652311652
(69)
?
???????? ??÷-?÷15148.255138.12
(70)
43
3712217÷÷
(71) 421
3012011216121+
++++
(72)
74
2321473332157423130?-?+? (73) 431872395?
-÷
(74) 5351431.1152?
+??? ?
?-÷
(75) 145
6.05
31495?
+?
(76) 74
1
741741741÷??? ?
?-÷?
(77) 211
1
2277133
17713÷???? ??-?
(78)??? ??-÷??? ?
?+31165231165
2
(79)
?
??
?????? ??÷-?÷15148.255138.12
(80) 353×3.7＋3.6＋5.3×35
3
(81)（13 ×67 - 114 ）÷14
15
(82)117 - 87 ×58 + 514
-- -
(83)[12 －（34 －35 ）]÷710
(84)27
1
839823÷?-
(85)??
? ??-÷??? ??+211211
(86) 35)3254(32?
-+
(87)1－(16 ＋1
7 )×2
(88)33.6÷8＋33.6÷8
7
(89)1.25×615 ＋3.8÷4
5
(90)18÷［6
5
＋（85－31）］
(91) 45
2
658÷+?
(92) 6
5
214131+÷??? ??-
(93) 2
1411671615÷??? ??-+
(94) 25
7217432???? ??++ (95) 81
5441121-?+ (96) ??
??????? ??+-÷31515494
(97) 5
2121152
3-??? ??+?
(98) ??
? ??+-+12141331
(99) 2
1347543-??
(100) 7
37251÷+