?
?? ??+÷51211015
7535÷??? ??
+分数乘除法简便运算100题
(1)(89 +427 )×3 ×9 (2)(38 - 38 )× 615 (3) 16 ×(7 - 2
3 )
(4) 56 ×59 + 59 × 16 (5)29 ×34 +527 × 34 (6) 613 ×75 - 613 × 2
5
(7) 712 ×6 - 512 × 6 (8)38 +38 ×47 +38 ×37 (9) 37× 3
35
(10) 6
25 × 24 (11)1521 ×34 + 1021 ×34 - 34 (12)710 ×101- 710
(13) 89 ×89 —89 ×89 (14) 35 × 99 + 35 (15) ( 47 + 8
9 )×7 ×9
(16)345 ×25 (17) 36×3435 (18) ( 56 - 59 )×18
5
(19)262
3 × 15 (20)3225 ×56 (21)
(22) (23)87748773÷+÷ (24)
91929197÷-÷
(25) ??? ??+?652053 (26)12
5
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)7212451871211÷??? ??++(35)3831162375.011583÷
-?+? (36)1925214251975?+?+
(37)4818365÷??? ??+ (38) 241241343651211÷??? ??-+- (39)
115
9251197?+÷
(40)
341574357834265÷
+?+÷(41)883
883?÷? (42) ??? ??++÷??? ??++12191711259575
(43) 6
.0352444533533-÷+?+÷ (44)8×51+51×3.2 (45) 101×254
(46) 85+85×15 (47)8158
÷8 (48) 31×76+32×76
(49)( 90+881)×891 (50)57×38+58×57 (51)815×516+527÷10
9
(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)31333×3 (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)×4
1
(67)(99+
109)÷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 (80) 46×4544
(73) 54×65+52÷53 (74) 5
4÷[(85-21)÷85] (75) 3
5 ×153 – 0.6×53 (81) 2008×20062007
(76)(45 +14 )÷73 +710 (77)18 ×[12 ÷(35 ×109 )] (78) (215 +3
11 )×15×11 (79)39
1437?
(82) 47 ×1522 ×712 (83) 910 ×1317 +910 × 417 (84)36×937 (85)1113 -1113 ×13
33
(86) 257×101-257 (87) 9
5
739574?+? (88) 59 × 34 +59 × 14 (89)17× 916 (91)4544×37 (92)2004×200367 (93)73151×81 (94) 16620
1
÷41
(95)41×39 + 43×25 + 426×133 (96)1174×(232 - 43)+ 15121 ÷ 2117
(97)2000÷200020012000
(98)
199419921993119941993?+-? (99)353×2552 + 37.9×652 (100)(972+792)÷(75+95
)
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) 16 ×(7 - 23 )=18
19
(4) 56 ×59 + 59 × 16 = 59
(5)29 ×34 +527 × 34 =3611 (6) 613 ×75 - 613 × 25 = 6
13
(7) 712 ×6 - 512 × 6 =1 (8)38 +38 ×47 +38 ×37 = 43
(9) 37× 335 = 335
6
(10) 625 × 24
= 6
25 × (25-1)
=52519
(11)
1521 ×34 + 1021 ×34 - 34 =71 (12)710 ×101- 7
10
=70 (14) 89 ×89 —89 ×89 =0 (14) 35 × 99 + 3
5 =60
(15)( 47 + 89 )×7 ×9=92 (16)34
5 ×25=95
(17) 36×
3435 (18) ( 56 - 59 )×18
5
=1 =(35+1)×34
35
= 34
35
34 (19)262
3 × 15 (20)3225 ×56
=(25+35)× 15 =(30+5
12
)×56
=53
1
=27
(21) ??? ??+÷5121101 =71 (22) 57535÷??? ??+ =77
1