计算题,

来源:学生作业帮助网 编辑:作业帮 时间:2024/08/12 04:09:11
计算题,
xOn1U*jmH{? f!bYNbEOS!^!( #ߌ雟gҞ|zoNEǮ}8SɳAw岽42bƑ8-ΚyEbvIC+t+p*DÎbv>k"71qDu]㶢^,hW,aaKXBdYkP| CRu5%rOP4e#\:)ۨ,]bST$w($&bqĽ,[sSJ\yQL0Y1'Jbd{ZN9C^NQHږLQRޕ`&Ej~WlY;l6XDڗL'ˏ*0T'"u[q߸v5aL%61.z@lTL $>l4cmeKp}Fk. Tu{]c: &^_o.١~ßqZsX^ Mj&7 r

计算题,
计算题,
 

计算题,

(4-5)(4+5) =-9

(4-4√5+5)(4+4√5+5)=(9-4√5)(9+4√5)=9-(4√5)=-9