10.5=3+5y
y=______
解方程 y=乜?
2007-12-07 5:01 am
回答 (12)
2007-12-08 7:08 pm
10.5=3+5y
10.5-3=3+5y-3
7.5=5y
y=1.5
10.5-3=3+5y-3
7.5=5y
y=1.5
2007-12-07 8:07 pm
10.5=3+5y
10.5-3=5y
7.5=5y
7.5/5=5y/5
1.5=y
y=1.5
10.5-3=5y
7.5=5y
7.5/5=5y/5
1.5=y
y=1.5
2007-12-07 5:37 am
10.5=3+5y
10.5-3=3+5y-3
7.5=5y
7.5~~5y
-----=-------
~5~~~5~
1.5=y
y=1.5
10.5-3=3+5y-3
7.5=5y
7.5~~5y
-----=-------
~5~~~5~
1.5=y
y=1.5
參考: me
2007-12-07 5:10 am
10.5 = 3 + 5y
10.5 - 3 = 5y
7.5 = 5y
7.5 / 5 = y
2.1 = y
y = 2.1 ( 因為代數 (( x )) 通常係會放起 左邊 )
2007-12-06 21:12:04 補充：
惑該係 1.5，寫錯佐
10.5 - 3 = 5y
7.5 = 5y
7.5 / 5 = y
2.1 = y
y = 2.1 ( 因為代數 (( x )) 通常係會放起 左邊 )
2007-12-06 21:12:04 補充：
惑該係 1.5，寫錯佐
參考: me
2007-12-07 5:08 am
10.5=3+5y
y=______
5y=10.5-3
5y=7.5
y=7.5/5
y=1.5
y=______
5y=10.5-3
5y=7.5
y=7.5/5
y=1.5
2007-12-07 5:08 am
y = 1.5
10.5-3 sin and then divide 5 again law
10.5-3 sin and then divide 5 again law
2007-12-07 5:05 am
10.5=3+5y
10.5-3=3+5y-3
7.5=5y
7.5÷5=5y÷5
1.5=y
y=1.5
10.5-3=3+5y-3
7.5=5y
7.5÷5=5y÷5
1.5=y
y=1.5
2007-12-07 5:05 am
5y = 10.5 - 3
5y = 7.5
y = 1.5
5y = 7.5
y = 1.5
收錄日期: 2021-04-20 22:56:44
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