6-【5/2+6/5】等于多少

(1)47×6=
(2)70÷9=
(3)38÷5=
(4)△427+398=
(5)△635-274=
(6)_百度知道
(1)47×6=
(2)70÷9=
(3)38÷5=
(4)△427+398=
(5)△635-274=
(1)47×6=
(2)70÷9=
(3)38÷5=
(4)△427+398=
(5)△635-274=
我有更好的答案
(1)282;(2)7……7;(3)7……3;(4)825;(5)361;(6)784
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(1)×205(2)47.1×9.4-47.1÷2-+47.1(3)[(1-0.5)×20]÷[(1+0.25)÷4](4)
(5)100-99+98-97+96-…+4-3+2-1(6)
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(1)×205,=5,=,=5983;(2)47.1×9.4-47.1÷2-47.1,=47.1×(9.4-0.5-1),=47.1×7.9,=372.09;(3)[(1-0.5)×20]÷[(1+0.25)÷4],=10÷0.3125,=32;(4)
;(5)100-99+98-97+96-…+4-3+2-1,=(100-99)+(98-97)+(96-95)+…+(4-3)+(2-1),=1×50,=50;(6)
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International Journal of Mathematics and Mathematical SciencesVolume ), Issue 17, Pages
Closed orbits of (G,τ)-extension of ergodic toral automorphisms
School of Mathematical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Selangor Darul Ehsan, Bangi 43600 UKM, Malaysia
Received 21 August 2002
Copyright © 2003 Hindawi Publishing Corporation. This is an open access article distributed under the , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
How to Cite this Article
Mohd. Salmi Md. Noorani, “Closed orbits of svg style=vertical-align-2.3205pt height=15.0875 version=1.1 viewBox=0 0 39..0875 width=39.112499 xmlnsxlink=httpwww.w3.org1999xlink xmlns=httpwww.w3.org2000svgg transform=matrix(.017,-0,0,-.017,.062,12.138)path id=x28 d=M300 -147l-18 -23q-106 71 -159 185.5t-53 254.5v1q0 139 53 252.5t159 186.5l18 -24q-74 -62 -115.5 -173.5t-41.5 -242.5q0 -130 41.5 -242.5t115.5 -174.5z gg transform=matrix(.017,-0,0,-.017,5.944,12.138)path id=x1D43A d=M713 296l-5 -25q-47 -7 -59 -20t-23 -72l-15 -79q-9 -48 -3 -74q-15 -3 -55 -13t-63 -15t-59.5 -10t-70.5 -5q-149 0 -243 80t-94 220q0 169 127.5 276.5t336.5 107.5q91 0 206 -36l-10 -165l-29 -1q1 85 -47.5 126t-146.5 41q-153 0 -243.5 -97t-90.5 -242
q0 -122 68.5 -198.5t188.5 -76.5q121 0 139 75l20 86q13 58 -1.5 70.5t-99.5 20.5l5 26h267z gg transform=matrix(.017,-0,0,-.017,18.251,12.138)path id=x2C d=M95 130q31 0 61 -30t30 -78q0 -53 -38 -87.5t-93 -51.5l-11 29q77 31 77 85q0 26 -17.5 43t-44.5 24q-4 0 -8.5 6.5t-4.5 17.5q0 18 15 30t34 12z gg transform=matrix(.017,-0,0,-.017,24.949,12.138)path id=x1D70F d=M471 456q-22 -60 -37 -85q-20 -3 -84 -3q-9 0 -29 2t-29 2q-38 -145 -54 -234q-15 -80 14 -80q23 0 68 38l14 -25q-78 -83 -137 -83q-50 0 -50 64q0 25 7 57l67 266q-57 4 -98 -9t-80 -49l-20 21q14 18 27 31t36.5 30t56.5 26t73 9q26 0 82.5 -2t89.5 -2q21 0 32 5t24 24
z gg transform=matrix(.017,-0,0,-.017,33.159,12.138)path id=x29 d=M275 270q0 -296 -211 -440l-19 23q75 62 116.5 174t41.5 243t-42 243t-116 173l19 24q211 -144 211 -440z gsvg-extension of ergodic toral automorphisms,” International Journal of Mathematics and Mathematical Sciences, vol. 2003, no. 17, pp. , 2003. doi:10.扫二维码下载作业帮
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数学简便计算;(+15/17)+(-2.5)+(-5)+(+2.5)+2/17(+15/17)+(-2.5)+(-5)+(+2.5)+2/171/6+(-2/7)+(-5/6)+(+5/7)(-3/2)+(-5/12)+(5/2)+(-7/12)(-21)+(-19)+(+12)+(+5)(-23)+72+(-31)+(+47)(-1.6)+(-3又1/5)+ -1.8的绝对值
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(+15/17)+(-2.5)+(-5)+(+2.5)+2/17=[(+15/17)+2/17] + [(-2.5)+(+2.5)]+(-5)=1+0-5=-41/6+(-2/7)+(-5/6)+(+5/7)=[1/6+(-5/6)] + [(+5/7)+(-2/7)]=-4/6+3/7=-2/3+3/7=-14/21+15/21=1/21(-21)+(-19)+(+12)+(+5)=[(-21)+(-19)] + [(+12)+(+5)]=-40+17=-23(-23)+72+(-31)+(+47)=[(-23)+(-31)] + [72+(+47)] = -54+119=55(-1.6)+(-3又1/5)+ -1.8的绝对值原式 =-3.4+(-3又1/5)或者直接换算为小数 = -3.4-3.2=-6.6= (-3又2/5) +(-3又1/5)= (-6又3/5)所以绝对值为6又3/5 或者6.6
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