送分!!!!!!中,小學生快睇!!!!20分

2008-04-15 5:20 am
8x8xh-7x7(h-1)=199 h的值=?????
列式列式列式列式列式列式列式列式列式!!!!!!!!!!!!!!!
唔該!!!!!

回答 (9)

2008-04-16 4:46 pm
✔ 最佳答案
8x8xh-7x7(h-1)=199
64h - 49(h-1) = 199
64h - 49h +49= 199 記緊負負得正,這裡是 +49,不是 -49
15h +49 = 199
15h = 150
h = 10
2008-04-20 10:15 pm
easy job!!

8x8xh-7x7(h-1)=199
8x8h-49(h-1)=199
64h-49h+49=199
15h+49=199
15h=199-49
15h=150
h=10//
參考: myself
2008-04-20 5:12 am
8x8xh-7x7(h-1)=199
64h-49(h-1)=199
64h-49h+49=199
15h=199-49
15h=150
h=10
參考: me
2008-04-16 7:19 am
8 x 8 x h - 7 x 7(h-1) = 199
64h- 49(h-1) = 199
64h - 49h +49 = 199
15h = 199 - 49
15h = 150
h = 150 / 15
h = 10
2008-04-15 7:38 am
EASY!!

8x8xh-7x7(h-1)=199

64h-7(7h-7)=199

64h-49h+49=199

15h=199-49

h=150/15

h=10

準唔準呀?
i think it is right~
參考: ME
2008-04-15 6:24 am
8x8xh-7x7(h-1)=199
64h-49(h-1)=199
64h-(49h-49)=199
64h-[(49-49)h]=199
64h-[0h]=199
64h-0=199
199_h=64
199_hxh=64xh
64xh=199
64xh_64=199_64
h=64
----
199
2008-04-15 6:12 am
8x8xh-7x7(h-1)=199
64h-49(h-1)=199
64h-49h-49=199
15h=199-49
15h=150
h=10
參考: me
2008-04-15 5:38 am
8×8×h-7×7(h-1)=199

64h-49(h-1)=199

64h-49×h-49×1=199

15h-49+49=199+49

15h=248

h=16_8
15
參考: m
2008-04-15 5:34 am
8x8xh-7x7(h-1)=199
64h - 49(h-1) = 199
64h - 49h +49= 199
15h +49 = 199
15h = 150
h = 10


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