555-(-333)-(-222)+15
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(111 + 222 + 333 + 444 + 555 + 666 + 777 + 888 + 999)x 2.................999 x 2 x 2 x 2 ?
A.(111 + 222 + 333 + 444 + 555 + 666 + 777 + 888 + 999)x 2 > 999 x 2 x 2 x 2 = 9990 > 7992
B.(111 + 222 + 333 + 444 + 555 + 666 + 777 + 888 + 999)x 2 < 999 x 2 x 2 x 2 = 9990 < 7992
C.(111 + 222 + 333 + 444 + 555 + 666 + 777 + 888 + 999)x 2 = 999 x 2 x 2 x 2 = 9990 = 7992
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333-222=111
111+444=555
555-555=0
0+666=666
hc tốttttttttttt
\(333-222=111\)
\(555-555=0\)
\(111+444=555\)
\(0+666=666\)
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111 + 111 = 222
222 + 222 = 444
333 + 333 = 666
444 + 444 = 888
555 + 555 = 1110
111+111=222
222+222=444
333+333=666
444+444=888
555+555=1110
Tham khảo nha bạn
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\(\left\{{}\begin{matrix}ac=b^2\Rightarrow\frac{a}{b}=\frac{b}{c}\\ab=c^2\Rightarrow\frac{b}{c}=\frac{c}{a}\end{matrix}\right.\) \(\Rightarrow\frac{a}{b}=\frac{b}{c}=\frac{c}{a}=\frac{a+b+c}{b+c+a}=1\Rightarrow a=b=c\)
\(\Rightarrow P=1+1+1=3\)
Ta có : 555 - ( - 333 ) - ( - 222 ) + 15
= 555 + 333 + 222 + 15
= 888 + 222 + 15
= 1110 + 15
= 1125
\(555-\left(-333\right)-\left(-222\right)+15\)
\(=555+333+222+15\)
\(=1125\)