✔ 最佳答案
1.xcm+10090cm+90cm=102m90cm x=?
2.ycm+12990cm-20cm=131m30cm y=?
答案
1.x=110cm
2.y=140cm
2008-06-25 20:48:57 補充:
3.12265cm+35cm+1cm=?m?cm
4.小明5歲,媽媽係他的7陪多3歲,他媽媽多少歲?
3.123m1cm
4.38歲
2008-06-26 14:16:59 補充:
5.美美18歲姐姐比她大2陪13歲,美美的姐姐多少歲?
5.49歲
2008-06-27 13:06:43 補充:
7. vfvvf=65665
sfsfssf=?5?5??5
?=3+5-5+15-11
?= sfsfssf=。
。= 7575775
?=7
2008-06-27 13:16:59 補充:
8. 9d99dg=959957 ggki22ool=77?122884 ?=9+5-10-2+12-5+9-7-3 ?= ?=8
9. x+y=27, x-a=6 , y+1=13.5 a= ,x= , y= a=8.5,x=14.5,y=12.5
2008-06-27 13:23:36 補充:
10. bb=66 abr=15? ?=18-11 ?= ?=7
11. 1267=asty tyus=67?2 ?=21+2-6+1-5+3-7 ?= ?=9
2008-06-27 13:30:19 補充:
12 81111m=?km?m 81km111m
13 9111596m=?km?m 9111km596m
14 24955682m=?km?m 24955km682m
15 2306130623220323m=?km?m 2306160323220km323m
16 987654321123456789m=?km?m 987654321123456km789m
2008-06-27 19:54:53 補充:
17. 621799959898989545659898959595623265652647522366666321258555111266612m=?km?m 621799959898989545659898959595623265652647522366666321258555111266km612m
2008-06-28 12:29:30 補充:
18. 987654321012345678909876543210m=?m?km 987654321012345678909876543km210m