分数四则混合运算计算题专题训练500题(脱式计算)
百色职业学院-竞争与合作
分数的四则混合运算
计算(能用简便的要简算):
5
1
8
2
31
5
5
411
6
+3
×
5
8
-
4
×(
9
÷
3
)
(
2
-
6
)×
5
÷
5
3
1
6
÷【
1
7
×(
4
+
3
)】
12
-
4
+
10
÷
5
÷【(
4
-
2
)×
5
】
2
3
2426
53
77
5
+
15
-
5
7
×
8
+
8
÷
6
(
11
-
8
)×88
11424
13—48×(
12
+
16
)
5
÷3+
3
×
5
21
3
712341212
5
+
2
×
5
+
10
13
×
7
+
7
×
13
+
13
5
2
75816
(
8
-
16
)×(
9
+
3)
13
÷7+
7
×
13
1
3
1
【1-(
4
+
8)】÷
4
132
(
6
+
4
-
3
)×12
1
5
1
3
2
÷
8
+
4
×
5
43
45×
44
692
2-
13
÷
26
-
3
3215
4
×
5
+
4
÷
2
3
1
3
(
8
-
4
)÷
8
71125
9
÷
5
+
9
×
11
99
99×
100
10751
21
×
20
÷
6
-
4
33
1
8
÷(
8
-
4
)
5727
6
×4-(
8
+
3
)
5-
8
-0,125
直接写得数
335397
×16= 12÷ = 0.3×
= ÷ = 1÷
4565108
=
525111171
× ÷ = × ÷ × =
0× + =
7372323128
能简算的要简算
48×(
7283155
+2)÷
23- × ÷ ×7+ ×11
123942799
11
21144
5÷[( + )× ]
×23+ ×67
(-)
35132525
26
×
31
÷
55
直接写得数。
3÷
6539111
= ÷10= ÷=
-= 18×=
8
1076246
714
÷=
1015
怎样简便就怎样计算:
÷(1-×) ×【÷(+)】 (-×)÷
53
2108544424
59585513119
+×× 9×+÷
(+)×8+
6
899
X-
1
3
X=
2
3
1
84×(
31
4
-
3
)
(
3354
4
-
4
×
6
)÷<
br>3
3
4×
2
3
÷
3
4
×
2
3
66
98
2727
-
1217155
3
X=
3
8X+
3
=
9
44
:X=
11
3
8
+(
3
7
+
1
14
)×
211113
3
12
÷
8
+
12
×8
-(
15
+
1
3
)×
3
4
2
5
÷(
223
5
+
5
×
4
)
77
9
×(1÷
8
+
8
7
÷1)
4118
5
×【(
2
-
5
)÷
15
】
4
371333
34
44
927
×-×
×56+44×- (+)×8+
8
44484
2350
77
5023
怎样简便就怎样算:
11212111
×3+5×
3×(+)- +3-(+)
3
2215125412
3541157112417
××- +(-)÷
+(+)×
4732
11552174
+2X= 5X-= X-X=1
X+X=
5
42612393
11
13—48×(
12
+
16
)
437
45×
44
5-
8
-0,125
4477
55
(8 +3 )-( - )
13.76-( +1.76+1 )
1212
771212
11
( × )×(13×18)
19.98×37-199.8×
1318
1.9+1998×0.82
35.2÷9+35.2÷
9
8
0.25
6×
1
4
+13÷4-18×0.25
0.32
0.43-0.32
7.6×
1
2
÷【1.9-1.9×(1.9-1.9)】
-563
1
1111
6
×1
7
×1
8
×1
1
9
×1
10
9
2
×1.25×320
×6.7+3.2×
×12.5×32-37
3
4
-15÷19-
2
19
×
2.5
3.26×【1÷(
1921212
- )】
( + )+( - )
10100
-(
1
5
+
5
17
)
(2.5+2.5+2.5+2.5) ×25×8
(
-
91
100
)
(6.9×0.125×1.75) ÷(2.3×
1
8
×
1
4
)
1÷6
1
2
】÷0.01
35317
4
9
+
5
13
+
5
9
+
8
13
)×(1
【(
1
4
-
18
4
÷2)
×
13
+
133
0.61×0.25+0.18× +0.21×25%
(3+ ÷ +3) -
4
(7×
1
6
÷7×
1
6
)
【5-(0.5×9
1118
2
+
2
×
2
)】÷
21
(12
(9
9
17
+10
121
25
)×
2
2
1
2515
3
×【7
6
+(4.125-
8
)-4
6
】
5
÷0.125
1000÷32÷0.25÷1.25
44
13
25
+
8
17
) ×2.5+
-【1
1
3
-(2.5-1
2
3
)】
5
1
8
2
3
5
5
411
+×
-×(÷) (-)×÷
8
4
9
3
56
3
526
1
5
3
÷
[
×(+)
]
-+÷
÷
[
(-)
64312410
5
342
17
4×
]
5
1
5
1
3
321510751
÷+×
×+÷ ×÷-
2
8
4
5
4542
21
2064
45×
3
1
333
143
(-)÷
÷(-)
8
4
888
444
5
5727
1
75
×4-(+) 5--
(-)×(+
9
6838
8
816
2
)
3
8161
3
7
1
÷7+×
[
1-(+)
]
÷
÷
4
137134
8
9
1125
+×
5911
(
132692992
+-)×12 2-÷- 99×
+
64313263
42
15
-
5
6
7
×
53
77
3
8
+
8
÷
6
(
11
-
8
)×88
13
1
16
)
4
5
÷3+
2
3
×
4
5
21
3
7
5
+
2
×
5
+
10
7
12
1
4
5
8
÷
10
3
3.60.68
4
5
5
6
(2
5
8
3)
(
11
4
3
4
)(1
2
3
2
1
3
)
58
1
8
4
(0.747
344
4
)(1
7
7
)
1005
—48×(
1
12
+12
13
×
3
7
+
4
7
×
1
2
13
+
12
13
4.6
26
7
23
7
1
6
5.165.16
5
6
15915
2
4
(
2
9
4
)
12
1927
[()]
[()]
+
23
1
3
1
1
×(-
)
÷
4
6
5
[<
br>(
12112111
3
)
]
÷××
)-
[
2-(
]
÷
2365322
4
72712
()
202035
53
[8.6(3.7)
165
33551
[()12]
4464
2345
()
54152
72785313132793
329
[()]
[()]
((3)
353395510850
23)5
8371
[()
94164
1859
[16(1)]
585
14912
8()
3211
(
22542138711152
)
()
[()]
34520234
[
12119
5
(
5
3
)
2
]
77
18
(
113560
10
7
24
)
59
⑴8470÷14-26×18
⑶13.7+6.24×7.5+4.58
⑸24.6×4.6+246×0.44+24.6
⑺60×(
3
4
+
45
5
-
6
)
95383
11
7
(
1
5
128
5
3
)
⑵(6.
9-3.15)÷0.3×0.8
⑷[7.3-7.3×(7.3-7.3) ]÷7.3
⑹
4
5
×
2
3
+
1
2<
br>÷
1
6
⑻
2213
5
-
5
×
4
÷
4
⑼5×
11
131313
8
+×10+6÷
⑽-(÷+×)
2121
5
⑾(
1
4
÷
7
8
+
4
5
×
1516
)×
3
29
⒀[4.6-1.2×(
2
3
+1.5)]÷3
4.75×
3
8
)]÷2.8
⒂[7.2×(1+
1
4
)-8.8]÷(4÷
1
2
-3)
⒄0.125×2.75+
1
8
×4.25+12.5%
45542
13
⑿(0.4+
2
3
)
÷(
5
6
-0.75)×0.5
⒁[5.25-(0.625×
4.75+
⒃
311
5
÷[(
2
+
3
)×
1.2-0.5÷
5
6
]
⒅3.68×[1÷(
21
10
-2.09)]
253
8
811
⒆(17.3×+17.3+17.3×)÷
⒇(÷0.32-×0.375)÷
77598
15
5
1
8
2
31
5
5
411
+×
-×(÷) (-)×÷
8
4
9
3
55
6
3
526
3
4
÷[×(+)] -+÷
÷[(-)×]
64312410
5
3425
17
3
2426
53
7711
+-
×+÷ (-)×88 13—48×(+)
51557
88
611
8
1216
42421
3
712341212
÷3+×
+×+ ×+×+
53552
5
1013771313
(
5
2758161
3
1
-)×(+) ÷7+×
[1-(+)]÷
4
9
3816137134
8
79
÷+×
(+-)×12 2-÷- 99×
95900
1
5
1
2
÷
8
+
4
×
3
5
(
3
8
-
1
4
)÷
3
8
3
4
×
215
5
+
4
÷
2
3
8
÷(
3
1
8
-
4
)
10
21
×
751
20
÷
6
-
4
5
6
×4-(
72
8
+
3
)
×<
br>43
44
-
7
8
-0.125
45
5