晓云家书柜里有70本书,晓云只看过10本。0O8b7e8i-U
(1) 晓云还有多少本没看?0O8b7e8i-U
算式:提示4z2~)R+](m*Q/S6b*K,B6R,P9f2w0O8b7e8i-U
答: 晓云还有:Y/_5s:K(l:U6[-k本没看。0O8b7e8i-U
(2)晓云看过的书比没看过的书少多少本?0O8b7e8i-U
算式:提示8A.B'A8|.y0O8b7e8i-U
答:晓云看过的书比没看过的书少2~:O1b:N/P5X,~:B/c;M(H-A本。0O8b7e8i-U