1、 分数乘除法简便运算100题(有答案) (1)(+)×3 ×9 (2)(- )× (3) ×(7 - ) (4) ×+ × (5)×+× (6) ×- × (7) ×6 - × 6 (8)+×+× (9) 37× (10) × 24
2、 (11) ×+ ×- (12)×101- (13) ×—× (14) × 99 + (15) ( + )×7 ×9 (16)3×25 (17) 36× (18) ( - )× (19)26× (20)32× (21) (22)
3、 (23) (24) (25) (26) (27)- ×- × (28) (29) ÷+÷ (30)×(15×) (31) ×× (32)25×4 (33)54×(- ) (34) (35) (36) (37) (38)
4、 (39) (40) (41) (42) (43) (44) 6.8×+×3.2 (45) 101× (46) +×15 (47)8÷8 (48) ×+× (49)( 90+)× (50)×+× (51)×+÷ (52)18×(+)
5、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) ÷[(+)×]
6、 (69)(+)×30 (70)×-÷ (71) ×58+×41+ (72) ××- (73) ×+÷ (74) ÷[(-)÷] (75) ×153 – 0.6×53 (76)(+)÷+ (77)×[÷(×)] (78) (+)×15×11 (79) (80) 46× (81) 2008×
7、 (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
8、 (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
9、 (8)+×+×= (9) 37× = 3 (10) × 24 = × (25-1) =5 (12) ×+ ×- = (12)×101- =70 (14) ×—×=0 (14) × 99 + =60 (16
10、 ( + )×7 ×9=92 (16)3×25=95 (17) 36× (18) ( - )×=1 =(35+1)× = 34 (19)26× (20)32× =(25+)× =(30+)× =5 =27 (21) =
11、 (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
12、 (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 =
13、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
14、 (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) ××-=
15、 (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×=
16、 (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
17、 )× = 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






