a + a . 4 - a . 2
= a . 5 - a . 2
= a . ( 5 - 2 )
= a . 3
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1/The value of a such that:
a : 4 + a : 3 = 21,35
2/The missing number in blank:
1,4,9,...,25
3/The value of a such that:
a+a* 5-a*3=96
4/The missing number in the blank:
1,1,2,3,5,8,...,21
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a : 4 + a : 3 = 21,35
(Tính giá trị của một đó như:
a: 4 + a: 3 = 21,35)
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