分数乘除法简便运算100题
(1)(+)×3 ×9 (2)(-)×
(3)×(7 -) (4)×+×
(5)×+× (6)×-×
(7)×6 -× 6 (8)+×+×
(9) 37× (10) × 24
(11)×+×- (12)×101-
(13) ×—× (14)× 99 +
(15) (+)×7 ×9 (16)3×25
(17) 36× (18) (-)×
(19)26× (20)32×
(21) (22)
(23) (24)
(25) (26)
(27) -×-× (28)
(29)÷+÷ (30)×(15×)
(31) ×× (32)25×4
(33)54×(-) (34)
(35) (36)
(37) (38)
(39) (40)
(41) (42)
(43)
(44)6.8×+×3.2 (45) 101×
(46)+×15 (47)8÷8
(48)×+× (49)( 90+)×
(50)×+×
(51)×+÷ (52)18×(+)
(53)×7+×5 (54)(-)×(24-)
(55)(×+)÷ (56)÷[(+)×]
(57)×+× (58)×3
(59) (60)
(61) (32×+17)÷ (62)(25+)÷+
(63) ×+×+
(64) (65)
(66)(21×+×21)× (67)(99+)÷9
(68)÷[(+)×] (69)(+)×30
(70)×-÷ (71)×58+×41+
(72)××- (73)×+÷
(74)÷[(-)÷] (75)×153 – 0.6×53
(76)(+)÷+ (77)×[÷(×)]
(78) (+)×15×11 (79)
(80) 46× (81) 2008×
(82)×× (83)×+×
(84)36× (85)-×
(86)×101- (87)
(88)×+× (89)17×
(91)word/media/image138_1.png×37 (92)2004×word/media/image139_1.png
(93)73word/media/image140_1.png×word/media/image141_1.png
(94) 166word/media/image142_1.png÷41
(95)word/media/image143_1.png×39 + word/media/image144_1.png×25 + word/media/image145_1.png×word/media/image146_1.png
(96)1word/media/image147_1.png×(2word/media/image148_1.png - word/media/image149_1.png)+ 15word/media/image150_1.png ÷ word/media/image151_1.png
(97)2000÷2000word/media/image152_1.png
(98)word/media/image153_1.png
(99)3word/media/image154_1.png×25word/media/image155_1.png + 37.9×6word/media/image156_1.png
(100)(9word/media/image157_1.png+7word/media/image158_1.png)÷(word/media/image159_1.png+word/media/image160_1.png)
分数乘除法简便运算100题答案
(1)(+)×3 ×9 =31 (2)(-)× =0
(3)×(7 -)= (4)×+× =
(5)×+× = (6)×-× =
(7)×6 -× 6 =1 (8)+×+×=
(9) 37× = 3 (10) × 24
= × (25-1)
=5
(12)×+×- = (12)×101- =70
(14) ×—×=0 (14)× 99 + =60
(16)(+)×7 ×9=92 (16)3×25=95
(17) 36× (18) (-)×=1
=(35+1)×
= 34
(19)26× (20)32×
=(25+)× =(30+)×
=5 =27
(21) = (22) =7
(23) = (24)=5
(25) =12 (26)=
(27) -×-×=0 (28)=37
(29)÷+÷= (30)×(15×) =
(32) ××= (32)25×4= 103
(33)54×(-)=3 (34)=109
(36) =0 (36) =19
(38) =58 (38) =7
(39) = (40) =750
(42) =64 (42) =5
(43) =60
(45) 6.8×+×3.2 =2 (45) 101×=16
(46)+×15 =10 (47)8÷8=1
(48)×+×= (49)( 90+)×= 1
(50)×+×=
(51)×+÷= (52)18×(+)=23
(53)×7+×5 =8 (54)(-)×(24-)=1
(55)(×+)÷= (56)÷[(+)×]=3
(57)×+×= (58)×3 =1000
(59) = (60) =1
(62) (32×+17)÷=60 (62)(25+)÷+=103
(63) ×+×+=
(64)=20 (65) =0
(67)(21×+×21)×= (67)(99+)÷9 =11
(69)÷[(+)×] = (69)(+)×30 =49
(70)×-÷= (71)×58+×41+=12.5
(73)××-= (73)×+÷=
(74)÷[(-)÷】= 4 (75)×153 – 0.6×53=60
(76)(+)÷+= (77)×[÷(×)] =
(78) (+)×15×11 =67 (79) =3
(80) 46×=44 (81) 2008×=2006
(82)××= (83)×+× =
(84)36×= (85)-×=
(86)×101- =28 (87) =
(88)×+× = (89)17× = 9
(91)word/media/image138_1.png×37 (92)2004×word/media/image139_1.png
=(1-word/media/image199_1.png)×37 = (2003+1)×word/media/image139_1.png
= 1×37 - word/media/image199_1.png×37 = 2003×word/media/image139_1.png + 1×word/media/image139_1.png
= 36word/media/image200_1.png =67word/media/image139_1.png
(93)73word/media/image140_1.png×word/media/image141_1.png
= (72 + word/media/image201_1.png)×word/media/image141_1.png
= 72 ×word/media/image141_1.png + word/media/image201_1.png×word/media/image141_1.png
= 9word/media/image202_1.png
(94) 166word/media/image142_1.png÷41
= (164 + word/media/image203_1.png)×word/media/image204_1.png
= 164×word/media/image204_1.png + word/media/image203_1.png×word/media/image204_1.png
= 4word/media/image142_1.png
(95)word/media/image143_1.png×39 + word/media/image144_1.png×25 + word/media/image145_1.png×word/media/image146_1.png
= word/media/image144_1.png×13 + word/media/image144_1.png×25 + word/media/image205_1.png×word/media/image206_1.png
= word/media/image144_1.png×(13 + 25 + 2)
= word/media/image144_1.png×40
= 30
(96)1word/media/image147_1.png×(2word/media/image148_1.png - word/media/image149_1.png)+ 15word/media/image150_1.png ÷ word/media/image151_1.png
= word/media/image207_1.png×1word/media/image208_1.png + 15word/media/image150_1.png×word/media/image207_1.png
= word/media/image207_1.png×(1word/media/image209_1.png + 15word/media/image150_1.png)
= 21
(97)2000÷2000word/media/image152_1.png
= 2000÷word/media/image210_1.png
= 2000 ÷ word/media/image211_1.png
= word/media/image212_1.png
(98)word/media/image153_1.png
= word/media/image213_1.png
= word/media/image214_1.png
= 1
(99)3word/media/image154_1.png×25word/media/image155_1.png + 37.9×6word/media/image156_1.png
= 3word/media/image154_1.png×25word/media/image155_1.png + (25word/media/image155_1.png+12.5)×6word/media/image156_1.png
= 3word/media/image154_1.png×25word/media/image155_1.png + 25word/media/image155_1.png×6word/media/image156_1.png + 12.5×6word/media/image156_1.png
= (3.6+6.4)×25.4 + 12.5×8×0.8
= 254 + 80
= 334
(100)(9word/media/image157_1.png+7word/media/image158_1.png)÷(word/media/image159_1.png+word/media/image160_1.png)
= (word/media/image215_1.png+word/media/image216_1.png)÷(word/media/image159_1.png+word/media/image160_1.png)
= [65×(word/media/image217_1.png+word/media/image218_1.png)]÷[5×(word/media/image219_1.png+word/media/image220_1.png)]
= 65÷5
= 13
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