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分数乘除法简便运算题(有答案)
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)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)××- (80) 46×
(73) ×+÷ (74) ÷[(-)÷] (75) ×153 – 0.6×53 (81) 2008×
(76)(+)÷+ (77)×[÷(×)] (78) (+)×15×11 (79)
(82) ×× (83) ×+× (84)36× (85)-×
(86) ×101- (87) (88) × +× (89)17×
(91)×37 (92)2004× (93)73× (94) 166÷41
(95)×39 + ×25 + × (96)1×(2 - )+ 15 ÷ (97)2000÷2000
(98) (99)3×25 + 37.9×6 (100)(9+7)÷(+)
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
(11) ×+ ×- = (12)×101- =70
(14) ×—×=0 (14) × 99 + =60
(15) ( + )×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×) =
(31) ××= (32)25×4= 103
(33)54×(- )=3 (34)=109
(35) =0 (36) =19
(37) =58 (38) =7
(39) = (40) =750
(41) =64 (42) =5
(43) =60
(44) 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
(61) (32×+17)÷=60 (62)(25+)÷+=103
(63) ×+×+=
(64) =20 (65) =0
(66) (21×+×21)× = (67)(99+)÷9 =11
(68) ÷[(+)×] = (69)(+)×30 =49
(70)×-÷ = (71) ×58+×41+=12.5
(72) ××-= (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)×37 (92)2004×
=(1-)×37 = (2003+1)×
= 1×37 - ×37 = 2003× + 1×
= 36 =67
(93)73×
= (72 + )×
= 72 × + ×
= 9
(94) 166÷41
= (164 + )×
= 164× + ×
= 4
(95)×39 + ×25 + ×
= ×13 + ×25 + ×
= ×(13 + 25 + 2)
= ×40
= 30
(96)1×(2 - )+ 15 ÷
= ×1 + 15×
= ×(1 + 15)
= 21
(97)2000÷2000
= 2000÷
= 2000 ÷
=
(98)
=
=
= 1
(99)3×25 + 37.9×6
= 3×25 + (25+12.5)×6
= 3×25 + 25×6 + 12.5×6
= (3.6+6.4)×25.4 + 12.5×8×0.8
= 254 + 80
= 334
(100)(9+7)÷(+)
= (+)÷(+)
= [65×(+)]÷[5×(+)]
= 65÷5
= 13
11 / 11
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