分数乘除法简便运算 100题（有答案）
8 3 3 6
⑴（9 + 27 )x 3 x 9 (2) (8 - 8
) x — (3) 5 5 5 1 (4) T x- + -x
— '丿6 9 9 6
2 3 5 3 (5)— x + x —9 4 27 4 (6) 6 7
x-
13 5 13
(7) 12 (8) +_
8 8
(9) 37X 3
35 (10) 6
25 x 24
(11) 15 3 10 3
x - + x-
21 4 21 4 (12) x 7
(14)
x 99 +
5 5
4 8 4 (15) ( 7 + 9)x7 x9 (16) 35 x 25
34 5 5 18 (17) 36x 35 (18) ( 6 - 9
3 7 4 7 7 丄_2 丄
(23)7 8 7 8 (24) 9 9 9 9 (13)
(19) 263 x
X 1 1
(21) 10 2 5 (22) 35 7 5
（巩 3 4 3 3 — x -- .— x- 8 7 8 7
(29)
(31) 5 2 8
x x —
8 3 15
8 5
(33) 54X( 9 - 6 )
(35) 11
5 3 丄
6 8 48 5
(26) 5
9
(28) 63
2
(3°)29 5
12
37
62 4 5
9 12
29
x (15X 31
3
(32) 254 X 4
11 Z 2 丄
(34) 12 18 24 72
0.375 2— 3 8
11 3 5聖4刃
(36)7
25 25 19
11 5 3 13 1
12 6 4 24 24 (38)
(41) 8 265 4 578 - 157 -
(40) 3 4 3
5 5^ ] 1 丄
7 9 12 7 9 12
5 3 5 33 - 44 24 -0.6 3 5 3
(44) 6.8 X- + - X 3.2
5 5 (45) 101 X—
25
(46) - + 5 X
15
8 8 (47)8 — -8
15
(48) (49) ( 90+ — )X —
88 89
-X 7+2 X 5 (54)(-—丄)X( 24--)
3 3 6 12 5
1 2 1 1
(56) r ( + -)X —]
5 3 5 13
(50)
(51) 1 X A+A + 10
15 16 27 9 4 5
(52) 18X( — +
—)
9 6
(57) 33 7 4
X 一 + 一 X
11 11 33 (58) 3331 X3
3
(59) 12 12
(61) 3 1 1
(62) (25+— ) — — + —
4 4 4 (53)
(55)
7
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+
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寸
X
L I 00
+
oo 9
X
L I 00
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x— 1
g 11 X
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cxi I co
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51
$
CD OL 61叫+66)(卜9) coCXIr
寸、
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(99)
6
(寸
9) 101)009 9L
9L
gCXI段
gCXI -- 十 ---- K
--- 十 ---- K
---- 6
6
卜
6
8L
09)
4 5 1(74)—十[ — -) 5 8 2
1 1 3 10
(77)8 X [2 "5 X 6)】
2
(78)(亦 3
+ ——)X 15X
11
11 (79)37 14
39
(80)
46 X 44
45 2006
(81)2008 命
4
(82)- 15 7
X — X —
22 12 9 13 9 4 (83) X — + — X — 10 17 10 17
9
(84) 36X 37 (85) 11 11 13
――X
13 13 33
(93)73 — X -
15 8
1
(94) 166 - 41
20
丄 X 39 + - X 25 + 26 X —
(95) 4 4 4 13
4 2 3 1 17
(96)1 X( 2 - - ) + 15 十
17 3 4 12 21
(97)2002 2000-2000
2001(86) —X 101- —
25 25 (87)
(88) (89) 17X 9
16
44 X
37 (92) 2004X 45 67
2003
