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ǰλãҳ>>1 (һ2)ʮ3ʮ(һ4)ʮ5ʮ(-6)ʮ7ʮ(-8)ʮʮ99 (һ...>>

1 (һ2)ʮ3ʮ(һ4)ʮ5ʮ(-6)ʮ7ʮ(-8)ʮʮ99 (һ...

*1/4(99+9/10)94/5+5/65/814/15[(4/5+(21*3/7+4/7*21)*1/4=21*(3/7+4/7)*1/4=21*1/4=5.25(99+9/10)9=99

һ998һ997һ996ʮ995һ994һ993+4ʮ3һ2һ1+996+995-994-993++8+7-6-5+4+3-2-1=4+4++4+410004=250=4250 =1000

+98-97-96+95+94+93-92-91+```+10+9+8-7-6+5+4+3-210+9+8-7-6)+(5+4+3-2-1)=104+99++14+9 100/5=20,ȲУ=(104+9)*20/2 =113*10 =1130

0123456789ʮ(),ֻش9+0=8+1=7+2=6+3=4+5

(10֮7+15֮4+20֮9)/(4֮3+7֮2+9֮4)7/10+4/15+9/20=42/60+16/60+27/60=85/60=17/123/4+2/7+4/9=189/252+72/

ҹ۴һ(1.2.3.4.5.6.7.8.9.10.11.12.13.14.ûа,10,ҹ,ȥ8,9;ҹ,δδ,??Ȼ!ȻǶ

MID(A1,FIND("(",A1)+1,ROW($1:$10)))˼_ٶROW($1:$10)110екţʵϾ{1;2;3;4;5;6;7;8;9;10}ʮ֡Ϊ̹ʽMID

2)8.78-3.25-1.75-1.78 (3)4.2899 (4)_=7-5=234.2899=4.28100-1=4.28100-4.28=428-4.28=423.7249.31.258=

һ1991ҳ,ڱҳʱ,0,1,2,3,4,5,6,7,8,9,λ9-0=9ֹ9λ99-9=90ֹ90x2=180λ999

1+3+5+7+9һֱӵ99ڶٰ?1--99,һ:(99-1)2+1=501+99=1003+97=100.49+51=100һֳ502=25

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