完整版分数乘除法简便运算100题有答案文档格式.docx
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完整版分数乘除法简便运算100题有答案文档格式.docx
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5
(13)
4
(4+
9)x7x9
(16)35x25
(15)
(17)
34
36x35
55
(18)(6-9)x
18
~5
(20)32
(21)
(22)
3575
(23)7
7121
(24)9999
(26)5
12
4_5
912
(27)8-
(28)63
37
62
(29)
(30)29x(15x39)
(31)
X15
(32)2易
11
(33)
54X
(34)
24
72
(35)
0.375
26
19
(36)
色19
53丄
(37)6848㈣
1153131
12642424
(40)
43
265578157
34
(41)8
55^丄丄
791279
(43)
33
44
0.6
(44)6.8』+-X3.2
(45)
101X4
(46)-+-X15
88
(47)8
_8
15
-8
6
(48)
X-+
X-
(49
)(90+)
X—
88
89
96
(51)—XA+A+1°
1516279
22
(53)-X7+-X5
33
(54)(6-右)X(24-£
)
(55)(5X4+4)-4
7777
(56)5亠[(2+1)X却
(58)3331X3
(57)33X—+—X33
811118
(59)512129
(67)(99+)-9
341
(66)(21X-+4X21)X1
774
144
(68)亦r(8
X2]
54
(69)(+_)X30
65
X——
+—
(70)6
(71)-
>
58H—
X41+-
445
45,
(72)X-X-
(73)X-+
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574
56
(74)匚勺
8]
X153-0.6X53
(75)5
(76)(5+1)
+10
(77)1X[舟
宁(3
X6)]
(78)(
X15X11
(79)
14
39
(80)46X44
45
(81)2008X006
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(82)-
X22
X石
91394
(83)兀X乃+兀X乃
(84)36X
(85)
111113
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(86)
—X101-Z
2525
(87)
14
3一4
(89)17X
16
(91)
44X37
(92)2004X
67
2003
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158
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20
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3"
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X25+
(95)4
13
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(96)1X(2--)+15--
17341221
(97)2000-2000-2000
2001
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(98)199319921994
(99)3-X25-+37.9X6
555
(100)(92+72)-(-+5)
7979
分数乘除法简便运算100题答案
(1)(9+247)X3x9=31
(2)(?
-3)
'
x亦=0
6x(7-
2)
=18
(3)
(4)
--
1一6
235
(5)9x4+27x
36
(6)
6_
(7)12x6-令x6=1
(8)8
+8
x7
37x
35=335
(10)25x24
(25-1)
=5
(12)
x—
x101-
£
=7。
(14)
9x9=0
(14)x99+=60
(16)(4+9)x7x9=92
(16)35x25=95
(18)(I-
518
9)近=1
=(35+1)
x35
=34
(19)
x-
=(25+5)x1
35
(30+号
=27
=7-
(24)
9=5
(25)
20-
=12丄
(26)
129125
(27)3-
=37可
(30)29
29
X(15X3-)31
(33)54X
X8=2
159
5)=3
(32)
3=0
254
X4=103
21
72=109
=19-
(38)6
48
=58
(38)
24=7
(39)9
11=
265
578
157
3=750
8=64
(42)
7912
7912=5
(43)353=60
(45)6.8X1+1X3.2=2(45)
44
101X=16
(46)+X15=10(47)8
空+8=1丄
1515
X6+zX6
1、
90+)
X:
=1-
53555
(50)5X3+5X5-
7887=7
(51)-X
1627
=3
(52)18X
=23
(53)2X7+2X5=8
(55)
(5x4+4)宁412
7777=7
(54)(1-
-丄)X(24--)=1
(56)
-[(—+
i)X协3
(57)33X—+—X33=33
8111188
(58)
333—X3=1000
(59)
(60)
2525
3456=1
(62)(32X1+17)-
_5
12=60
(62)
(25+3)
111
—+
44=1034
9|
X——+
16=
=8
63(-—3)=20
(64)9217
(65)
()]
823423=0
34121
(67)(21X3+45X21)X-=21
7744
91
(67)(99+)-9=11-
109
(69)(+_)X30=49
X
-j
=—
(71)-X58+—X41+—
888=12.5
(74)勺
5X153-0.6X53=60(75)5
417723
(76)(5+4心3+10=20
11
310
(77)8X运
r5X6)]=
-32
(78)(亦
+石)X15X=67
37竺=3印
3939
(80)46X=4444
4545
(81)
2006
2008X007
=2006:
20°
2007
(82)
7x22x12
22
(83)
_9
:
a36x為弋
(86)—X101-Z=28
45355
(87)=-
79799
(88)9X
+9X
=9
■9=理
16916
(91)X37
=(1-)X37
=1X37-X37
=36—
(92)
2004X67
=
(2003+1)X
=2003
+1X
=67
(93)73—X1
16、
(72+
X丄
72X
=9-
41、
=(164+
41
164X
=4
3»
1X39+
—X25+
=-X13+
3x26
413
=3X(13+25+2)
=X40
=30
(96)1—X(22-
3)+15—-
17
21X111+15丄X
」1
1
X(1一
+15—
=2000-
=2000
=2001
2002
200020012000
亠2001
20002002
(98)199319921994
(1992
1)19941
1993
1992
19921994
19941993
+25-X6-+12.5X6
=(3.6+6.4)X25.4+12.5X8X0.8
=254+80
=334
2255
(100)(9工+7)+(三+三)
=(竺+坐)+(5+5)
1111
=[65X(_+_)]十[5X(_+_)]
=65-5
(73)4x4X5_1丄
5742=14
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