tính \(\frac{5.5.5}{\frac{5.5.5}{5}}+5.5\)
Tìm A
A = 1+5+5.5+5.5.5+...+5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5..5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.55.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5
cho s=5+5.5+5.5.5+...........+5.5.5.5.........5
tính s chứng minh s:126
12:{390:[500-(5.5.5+37.7)]}
5.5.5 là 5 mũ 3 đấy các bạn.mk ko viết đc 5 mũ 3 nên thông cảm
giúp mk nha.1h30 mk ik hc r
520.5.5.5=
so sanh 85.(8+5) va 8.8.8+5.5.5
85.(8 + 5) = 85.13 =1105
8.8.8 + 5.5.5 = 512 + 125 = 637
=> 85.(5+8) > 8.8.8 + 5.5.5
5.5.5 =
3.3.3.3....3(50 so 3).5.5.5......5(50 so 5). Hoi tích bang bao nhieu?
Ai nhanh mình tik nè :
5.5.5=???
5.5.5=?
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