分数乘除法简便运算100题(答案)
分数乘除法简便运算
(1)(8
9
+
4
27
)×3 ×9 (2)(
3
8
-
3
8
)×
6
15
(3)
1
6
×(7 -
2
3
)
(4)5
6
×
5
9
+
5
9
×
1
6
(5)
2
9
×
3
4
+
5
27
×
3
4
(6)
6
13
×
7
5
-
6
13
×
2
5
(7)
7
12
×6 -
5
12
× 6 (8)
3
8
+
3
8
×
4
7
+
3
8
×
3
7
(9) 37×
3
35
(10)
6
25
× 24 (11)
15
21
×
3
4
+
10
21
×
3
4
-
3
4
(12)
7
10
×101-
7
10
(13)8
9
×
8
9
—
8
9
×
8
9
(14)
3
5
× 99 +
3
5
(15)(
4
7
+
8
9
)×7 ×9
(16)34
5
×25 (17) 36×
34
35
(18) (
5
6
-
5
9
)×
18
5
(19)262
3
×
1
5
(20)32
2
5
×
5
6
(21)
?
?
?
?
?
+
÷
5
1
2
1
10
1
(22)
5
7
5
35÷
?
?
?
?
?
+
(23)8
7
7
4
8
7
7
3
÷
+
÷
(24)9
1
9
2
9
1
9
7
÷
-
÷
(25) ??? ??+?652053 (26)125
9412595÷+÷ (27)38 - 38 ×47 - 38 ×37
(28)623763? (29) 31÷76+32÷7
6
(30)229 ×(15×2931 )
(31) 58 ×23 ×815 (32)2534 ×4 (33)54×(89 - 5
6 )
(34)72
1245187
1211÷??? ??++ (35)3831162375.011
583÷
-?+?
(36)192521
4251975?+?+
(37) 4818365÷??? ??+ (38) 241241343651211÷??? ?
?-+-
(39) 115925119
7?+÷ (40) 341574357834265÷+?+÷
(41) 8
83
88
3?÷? (42) ??? ??++÷??? ??++12191711259575
(43) 6
.035
2444533533-÷+?+÷
(44) 6.8×51+5
1×3.2 (45) 101×254
(46)
85+85×15 (47)815
8
÷8
(48)
31×76+32×7
6 (49)( 90+881)×891
(50)57×38+58×57
(51)
815×516+527÷109 (52)18×(49+5
6
)
(53)23×7+23×5 (54)(16-112)×(24-4
5
)
(55)(57×47+47)÷47 (56)15÷[(23+15)×1
13
]
(57) 833×117+114×833 (58)3
1
333×3
(59) 5912512795÷+? (60) 6
5
524532-?+
(61)(32×41+17)÷125
(62)(25+43)÷41+4
1 (63) 2518×169+257×169+169
(64)
)7321495(63-+? (65) 2316]43)3121(85[÷?+-
(66)(21×73+74×21)×41 (67)(99+10
9)÷9
(68)1514÷[(54+32)×1110] (69)(65+5
4
)×30
(70)65×56-109÷5
9 (71) 81×58+81
×41+81
(72)54×74×45-21 (73) 54×65+52÷5
3
(74)
5
4÷[(85-21)÷85
] (75) 35 ×153 – 0.6×53
(76)(45 +14 )÷73 +710 (77)18 ×[12 ÷(35 ×10
9
)]
(78) (215 +311 )×15×11 (79)391437
(80) 46×
45
44
(81) 2008×20062007
(82) 47 ×1522 ×712 (83) 910 ×1317 +910 × 4
17
(84)36×937 (85)1113 -1113 ×13
33
(86)
257×101-257 (87) 9
5739574?+?
(88) 59 × 34 +59 × 14 (89)17× 9
16
(91)4544×37 (92)2004×200367
(93)73151×81 (94) 166
20
1
÷41
(95)
41×39 + 43×25 + 426×133
(96)1
174×(232 - 43)+ 15121 ÷ 21
17
(97)2000÷2000
2001
2000
(98)1994
199219931
19941993?+-?
(99)353×2552 + 37.9×65
2 (100)(9
72+792)÷(75+9
5
)
分数乘除法简便运算100题答案
(1)(89 +427 )×3 ×9 =31 (2)(38 - 38 )× 6
15 =0
(3)1
6
×(7 -
2
3
)=
18
19
(4)
5
6
×
5
9
+
5
9
×
1
6
=
5
9
(5)2
9
×
3
4
+
5
27
×
3
4
=
36
11
(6)
6
13
×
7
5
-
6
13
×
2
5
=
6
13
(7)
7
12
×6 -
5
12
× 6 =1 (8)
3
8
+
3
8
×
4
7
+
3
8
×
3
7
=
4
3
(9) 37×
3
35
= 3
35
6
(10)
6
25
× 24
=
6
25
×(25-1)
=5
25
19
(11)15
21
×
3
4
+
10
21
×
3
4
-
3
4
=
7
1
(12)
7
10
×101-
7
10
=70
(14)8
9
×
8
9
—
8
9
×
8
9
=0 (14)
3
5
× 99 +
3
5
=60
(15)( 4
7
+
8
9
)×7 ×9=92 (16)3
4
5
×25=95
(17) 36×34
35
(18) (
5
6
-
5
9
)×
18
5
=1
=(35+1)×3435
= 3435
34
(19)2623 × 15 (20)3225 ×5
6
=(25+35)× 15 =(30+5
12
)×56
=531
=27
(21) ??? ??+÷5121101 =71 (22) 57535÷??? ??+ =77
1
(23)87748773÷+÷=78
(24)91929197÷-÷=5
(25) ??? ??+?652053=1221 (26)12
59412595÷+÷= 512
(27)38 - 38 ×47 - 38 ×37 =0 (28)623763? =376237
(29) 31÷76+32÷76=67 (30)229 ×(15×2931 ) =3130
(32) 58 ×23 ×815 =92 (32)253
4 ×4= 103
(33)54×(89 - 56
)=3 (34)721245187
1211÷??? ?
?++=109
(35) 3831162375.011583÷-?+?=0 (36)192521
4251975?+?+ =19
7
5
(38) 4818365÷??? ??+ =58 (38) 241241343651211÷??? ?
?-+- =7
(39) 115925119
7?+÷ = 11
5 (40) 341574357834265÷+?+÷=750
(42) 8
83
88
3?÷? =64 (42) ??? ??++÷??? ??++12191711259575 =5
(43) 6
.035
2444533533-÷+?+÷=60
(45) 6.8×51+5
1×3.2 =2 (45) 101×254 =16254
(46)
85+85×15 =10 (47)8158÷8=115
1
(48)
31×76+32×76 = 7
6 (49)( 90+881)×891 = 1881
(50)57×38+58×57
=
57 (51)
815×516+527÷109=31 (52)18×(49+5
6
)=23