555+425+X+41+20=1000那X的為何數?lXl=是何數?
2005-09-17 13:47:44 · 11 個解答 · 發問者 Anonymous in 科學 ➔ 數學
X+1041=1000X=-41|x|=41
2005-09-17 13:49:10 · answer #1 · answered by Anonymous · 0⤊ 0⤋
為什麼解答的人那麼多
對的只有一個......
一堆人看不懂[]嗎?
2005-09-17 15:38:50 · answer #2 · answered by Anonymous · 0⤊ 0⤋
100題中我不會的一題
2005-09-17 14:17:51 · answer #3 · answered by Anonymous · 0⤊ 0⤋
555+425+X+41+20=1000
x=1000-555-425-41-20
=-41
2005-09-17 14:07:32 · answer #4 · answered by Anonymous · 0⤊ 0⤋
555+425+X+41+20=1000
X=1000-20-41-425-555
X= - 41
2005-09-17 14:06:02 · answer #5 · answered by Anonymous · 0⤊ 0⤋
555+425+x+41+20=1000
→1041+x=1000
→(1041+x) -1041=(1000) -1041
→x= - 41
x= - 41
│x│=│- 41│= 41
2005-09-17 14:05:16 · answer #6 · answered by 頗a 1 · 0⤊ 0⤋
555+425+X+41+20=1000那X的為何數?
555+425+X+41+20=1000
那X的為何數?
lXl=(-41)
2005-09-17 13:55:12 · answer #7 · answered by Anonymous · 0⤊ 0⤋
x=1000-555-425-41-20 = - 41
用移項就行了喔!
2005-09-17 13:51:58 · answer #8 · answered by Anonymous · 0⤊ 0⤋
x=1000-20-41-425-555=-41
lXl=41
2005-09-17 13:49:29 · answer #9 · answered by kwina 2 · 0⤊ 0⤋
X = -41lXl = 41
2005-09-17 13:49:27 · answer #10 · answered by D L 6 · 0⤊ 0⤋