2/5 x 2.5 = ?????????
回答 (17)
2009-06-14 3:43 pm
✔ 最佳答案
I assume this statement "2/5 x 2.5" means(2/5)*2.5
= (2/5)*(5/2)
= 1
If you mean 2/(5*2.5), then this is your answer:
2/[5*(5/2)]
= 2/(25/2)
= 2*(2/25)
= 4/25
2009-06-14 10:46 pm
Find what is it 2.5:
2 1/2 = 5/2
So:
2/5*5/2
Let us use the rule for multiplying fractions:
(2*5)/(5*2)
Let us reduce the expression:
1
The final answer is 1.
2 1/2 = 5/2
So:
2/5*5/2
Let us use the rule for multiplying fractions:
(2*5)/(5*2)
Let us reduce the expression:
1
The final answer is 1.
2009-06-14 10:43 pm
6 1/4
First divide 2/5, then take that answer and multiply it by 2.5, will give you 6.25 or 6 1/4
First divide 2/5, then take that answer and multiply it by 2.5, will give you 6.25 or 6 1/4
2009-06-14 11:45 pm
2/5 x 2.5
= (2 x 2.5)/5
= 5/5
= 1
= (2 x 2.5)/5
= 5/5
= 1
2009-06-14 10:54 pm
2/5=0.4
0.4 x 2.5= 1
0.4 x 2.5= 1
2009-06-14 10:48 pm
2/5 = 0.4
0.4 * 2.5 =1
0.4 * 2.5 =1
2009-06-14 10:46 pm
2/5 x 2.5=one whole
2009-06-14 10:46 pm
2/5 x 5/2=1
2009-06-14 10:44 pm
1
2009-06-14 10:44 pm
1
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