1010的加减法的加减法1儿儿 歌：歌：一九一九好朋友，二八二八手拉手，三七三七真亲密，四六四六一起走，五五凑成一双手。2对口令对口令我说我说99。我说我说11，11和和99组成组成1010。31 9 4107102101063 8在 中填上合适的数49 5 =8 + 1 =5 + 3 =8 4 =9 8 =2 + 7 =6 + 3 =1 + 7 =8 3 =9 6 =4 + 5 =8 7 =4984199853915+= - =91 110+ =-=19 9 1 10101096+ = - =82 210+ =-=28 8 21010101087+ = - =73 310+ =-=37 7 31010101078+ = - =64 410+ =-=46 6 41010101069+ = - =55 510 10 105108422. 10 - =26873110 - =37911找朋友！哪两个数合起来是1016 54329875125+510-0 6+4108+20+710-210-32+710-101013看谁算得又对又快2+8= 5+5= 7+3= 1+9= 6+4= 10-1=
