分数乘除法计算题专项练习
分数乘除法计算题专项练习1
[**************]3÷ ⨯⨯÷⨯ 12÷⨯(1) ÷ [***********][1**********](2) 8×4÷8×4 ⨯+÷ ÷ ÷÷ × [1**********]4
(3) 6÷[**************]3-÷6 ×÷(-) [-(+)]÷ ( + )÷ [***********]
(4)
(5)
(6) [1**********]35×+× 14×÷14× 36×( + - ) (+) ×9+ [***********]17⎛12⎫9×3.2+5.6×0.5+1.2×0.5 21÷ +⎪÷ [2-( +)]× 12268⎝35⎭[1**********]x = x ÷4= (1-60%)÷x =5 x +x = 8329152520
422511(7) x +x = x =30 8x -= 6x +5×4.4=40 6395153
(8)
(9) 414589⨯+ 150-144⨯ 3-⨯ 52561516⎛7 +⎝103⎫⎪⨯5 4⎭[1**********]37-⨯ +⨯ ⨯-⨯ +⨯ [**************]59
[1**********]65+÷+ (-) ÷24⨯ (+)⨯24 (1-⨯)÷4 [1**********]76
[1**********]77÷9+⨯ ⨯+÷3 -(÷+) ÷5+ ÷2 [***********]
1553519124÷÷ ÷×( ×9.9+0.925 36÷[(-)×3] [1**********](10) (11) (12)2-
(13) [**************]×(+)÷ ×+÷ x -x =14 +x = [**************]20
2112351=2x x -x = 5 x += 5 x -x =×45
5833235
(14)7-×0.5÷×0.5 12×+12÷ +÷+ (-×9)÷ [***********]513+)÷(1-) ×÷ 51⨯5101087750 [1-((17)(18)(131+)]÷ 448
(19)36×([**************]1++) ⨯+÷1 (+)÷+ -÷- [**************]9
(20)
(21) [1**********]⨯+÷ 【2-(-)】⨯ x -= 12x = [***********]125x =× x ÷=15 14-2x =120 (1-25%)x =3.6 810257
[1**********]54⨯ (22)1-13 ÷13-4 9+2÷5 +8 13÷77 13 (+)8625
(-)⨯(23)
(24)[1**********]145+3 15-4+6 ÷÷ 1-[***********]31143(-)【⨯(2-11÷8)】×+× ÷0.8÷ 7÷3÷- ÷ [1**********]645
1
[**************])÷+ ⨯+⨯ (-⨯)÷ ÷【(+)⨯18】 [***********]
111754231+⨯87. 5%-1÷9 ÷⨯2 +3.2)x = x -= 1 5357994228
1313171+x = x -x = x +40%x =13 310246244(+(25) (26)0. 125⨯(27) 2x -3.25=0.75
(28)5.48+8.73+4.52+0.27 1181153452+-(-) ÷(+⨯) (6.3-6.3×0.9) ÷6.3 [1**********]15
93254) ÷9 (+) ⨯20+ (4.8-1.6+)×75% 1345125(29)9.25×9.9+92.5% (54+(30) 18×25%+141448⨯60+42⨯0. 25 6.38×37%+0.37×× ÷ (15-14× )× 9557214
[1**********](31) ÷[( )×× ×x =+ 0.2x -2.6×5=8 [1**********]6
(32)21x +x =15 2x +30%x =9. 2 x :0. 75=56 x -18%x =65. 6 36