4-x/6 = - 2
1/3(7-2) = 3
1/4(y-5)= 3/2
數學唔識做(quick......)
2007-10-05 6:39 am
回答 (2)
2007-10-05 7:02 am
你第一條係4-(x/6) = - 2,定係(4-x)/6 = - 2 ???
個做晒啦..
(4-x)/6 = - 2
4-x=-12
-x=-16
4-(x/6) = - 2
-x/6 = -6
x=1
第2題冇得架啵,唔係代數..
1/3(7-2) = 3
1/4(y-5)= 3/2
4y-20=2/3
12y-60=2
12y=62
y=31/6
個做晒啦..
(4-x)/6 = - 2
4-x=-12
-x=-16
4-(x/6) = - 2
-x/6 = -6
x=1
第2題冇得架啵,唔係代數..
1/3(7-2) = 3
1/4(y-5)= 3/2
4y-20=2/3
12y-60=2
12y=62
y=31/6
參考: me
2007-10-05 6:47 am
4-x/6 = - 2
x/6=2+4
x/6=6
x=1
1/3(7-2) =3
7-2=3*3
9=9
1/4(y-5)=3/2
y-5=3/2*4
y-5=6
y=11
x/6=2+4
x/6=6
x=1
1/3(7-2) =3
7-2=3*3
9=9
1/4(y-5)=3/2
y-5=3/2*4
y-5=6
y=11
收錄日期: 2021-04-13 13:45:42
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https://hk.answers.yahoo.com/question/index?qid=20071004000051KK04696