分数乘除法简便运算专题练习
84336
(1)(9 +27 )×3 ×9 (2)(8 - 8 )× 15
(3) 126 ×(7 - 3 )
(5)235 39 ×4 +27 ×4
(7) 75
12 ×6 - 12 × 6
(9) 37× 335
(11)15310321 ×4 + 21 ×34 - 4
(4) 55516 ×9 + 9 × 6 (6) 6×76213 5 - 13 × 5 (8)338 +8 ×4337 +8 ×7 (10) 6
25 × 24 (12)7710 ×101- 10
1
888833
(13) × — × (14) × 99 +
999955
484
(15) ( + )×7 ×9 (16)3 ×25
79
(17) 36×3435
(19)262
13 × 5
1???1?1??(21) 10?25?
3747 (23)7?8?7?8 (25) 35????20?5?6??
2
5(18) ( 5518
6 - 9 )×5
(20)3225 ×56
???35?5?22)
7???5 7121 (24)9?9?9?9 (26)55459?12?9?12
(
(27)38 - 38 ×47 - 38 ×37 (28)63?3762
(29) 16262293÷7+3÷7 (30)29 ×(15×31 )
(31) 58 ×23 ×815 (32)253
4 ×4
??11?7?5??1(33)54×(89 - 56 ) (34)?121824??72 3(35) 8?568511?0.375?211?3?3?19?4?21?19 (36)72525
??53?1?115313?(37) ?6?8???48? (38) ?12?6?4?124???24
7?1125(39) 95?9?11265?43?578?34?157?4 (40) 3
3?8?3?8??5?5?5?????1?1?1??(41) 88 (42) ?7912??7912?
3
53533???44?24??0.6353 (43)
14×3.2 (45) 101×
255558(46) +×15 (47)8÷8
8815162611(48) ×+× (49)( 90+)×
888937375355(50)×+×
88778551045(51)×+÷ (52)18×(+)
15162799622114(53)×7+×5 (54)(-)×(24-)
61233554441211(55)(×+)÷ (56)÷[(+)×]
57777351337431(57) 3×+×3 (58)333×3
8111183(44)6.8×+
15 (59)
57592525??? (60) ??? 912125345631115+17)÷ (62)(25+)÷+ 412 444189799(63) ×+×+
2516251616 54351131663?(??) (65) [?(?)?]?
9217823423(64)
(61) (32×
3419+×21)× (67)(99+)÷9 7741014421054(68) ÷[(+)×] (69)(+)×30
15531165(66)(21×
5699111×-÷ (71) ×58+×41+
888105 (70)654
(72)
44514523××- (73) ×+÷ 5742565545153
÷[(-)÷] ×153 – 0.6×53
828 (75)55 (74)
417711310
(76)( + )÷ + (77) ×[ ÷( × )]
543108259
1423
(78) ( + )×15×11 (79)37?
1511 (80) 46×4445 (82) 41577 ×22 ×12 (84)36×937 (86) 725×101-725 (88) 5 × 35194 +9 × 4
39 2008×20062007 (83) 9139410 ×17 +10 × 17(85)111113
13 -13 ×33
(87)
45357?9?7?9 (89)17× 9
16
5
(81)
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