答案:
(-10.2)(+4)=?
(-6)-(-0.4)+(-2 1/10)=?
(+6/7)(-9/14)=?
(+7/34)(-68)=?
(+3 1/2)÷(-1 1/4)=?
2 2/3%=分數
128 1/8%=分數
12 1/2%=分數
8 2/5%=分數
300 1/4%=分數
1331/5%=小數
132 3/10%=小數
268 3/25%=小數
(-2)(-7)=?
(4a)(-5b)=?
(-7x)(-12y)=?
(3x)(-7y)(-9z)=?
(-m)(-n)(-p)(-g)=?
4(a+2)=?
17d=47+4 d=?
7+9t=16 t=?
c/2=-1 c=?
我唔識...
2007-07-25 3:55 am
回答 (2)
2007-07-25 6:07 pm
✔ 最佳答案
(-10.2)(+4)= -40.8(-6)-(-0.4)+(-2 1/10)= -7.7
(+6/7)(-9/14)= -21/49
(+7/34)(-68)= -14
(+3 1/2)÷(-1 1/4)= -2 4/5
2 2/3%= 1/150
128 1/8%= 41/32
12 1/2%= 1/8
8 2/5%= 21/250
300 1/4%= 1201/400
1331/5%=2.662
132 3/10%=1.323
268 3/25%=2.6812
(-2)(-7)= 14
(4a)(-5b)= -20ab
(-7x)(-12y)= 84xy
(3x)(-7y)(-9z)= 189xyz
(-m)(-n)(-p)(-g)= mnpg
4(a+2)= 4a + 8
17d=47+4
d= 51
7+9t=16
t= 1
c/2=-1
c= -2
2007-07-26 11:46 pm
(-10.2)(+3.5) =-35.7
(-6)-(-0.4)+(-2 1/10)=-7.7
(+6/7)(-9/14)=-27/49
(+7/34)(-68)=-14
(+3 1/2)÷(-1 1/4)=12 2/5
2 2/3%=8/300
128 1/8%=1 9/32
12 1/2%=1/8
8 2/5%=21/250
300 1/4%=3 1/400
1331/5%=2.662
132 3/10%=1.323
268 3/25%=2.6812
(-2)(-7)=14
(4a)(-5b)=-20ab
(-7x)(-12y)=84xy
(3x)(-7y)(-9z)=189xyz
(-m)(-n)(-p)(-g)=gmnp
4(a+2)=4a+8
17d=47+4 d=3
7+9t=16 t=1
c/2=-1 c=-2
(-6)-(-0.4)+(-2 1/10)=-7.7
(+6/7)(-9/14)=-27/49
(+7/34)(-68)=-14
(+3 1/2)÷(-1 1/4)=12 2/5
2 2/3%=8/300
128 1/8%=1 9/32
12 1/2%=1/8
8 2/5%=21/250
300 1/4%=3 1/400
1331/5%=2.662
132 3/10%=1.323
268 3/25%=2.6812
(-2)(-7)=14
(4a)(-5b)=-20ab
(-7x)(-12y)=84xy
(3x)(-7y)(-9z)=189xyz
(-m)(-n)(-p)(-g)=gmnp
4(a+2)=4a+8
17d=47+4 d=3
7+9t=16 t=1
c/2=-1 c=-2
參考: me
收錄日期: 2021-04-12 20:39:00
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