ldcf.net
ǰλãҳ >> 8/15һ(8/15һ7/18) >>

8/15һ(8/15һ7/18)

8/15һ(8/15һ7/18) =8/15-8/15+7/18 =7/18

15.87/18+1/511/18 =15.8+1/5-(7/18+11/18) =15.8+0.2-1 =16-1 =15

ҹ 1,3,7,15,31,63. 8,15,18,13,12,11,22,9.

032ڽ============46 һֻʮϡ ʮʮ˵²ʮ߰һ : (13) 1: ==ţû 2: ==Ф (05 06 13 14 21 22 35 36 43 44)

x+4/9=3/5 X=3/5-4/9 X=7/45 9/10-x=3/5 X=9/10+3/5 X=15/10 x+7/18=5/9 X=5/9-7/18 X=1/6 7/16+x=5/24 X=5/24-7/16 X=-11/24 x-(4/7-1/3)=19/21 X-5/21=19/21 X=5/21+19/21 X=8/7 8/15+x=5/6 X=5/6-8/15 X=3/10

һ 9919֮18Ըʮ =-100-1/19*12=-1200+12/19=120019֮12ڶ -8֮7*15*171) =-7/8*15*8/7=-15 15֮8*8 =8/15*8=64/15 4֮1*-11֮8=-1/4*8/11=-2/112a+3a=a2+3=5a

8/15=84/(154)=32/60 7/12=75/(125)=35/60 32/60

1ԭʽ=12+18-7-15=82ԭʽ=27+40=673ԭʽ=-4- 1 2 +84=44ԭʽ=1-2+5-5=-15ԭʽ=1004-3-8=146ԭʽ=- 1 8 - 5 8 =- 3 4 7ԭʽ=a 2 +4ab-ab+a 2 -2ab=2a 2 +ab

ueirwiwerfiεͳijerjt½ͯijӽȥڽͯ

վҳ | վͼ
All rights reserved Powered by www.ldcf.net
copyright ©right 2010-2021
磬ַϵͷzhit325@qq.com