16^18 : 33^16 = ?
Cảm ơn
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\(=\frac{16\left(18-7\right)}{33\left(15+1\right)}=\frac{16\cdot11}{16\cdot33}=\frac{1}{3}\)
\(\frac{16.18-16.17}{15.33+33}\)
\(=\frac{16\left(18-17\right)}{33\left(15+1\right)}\)
\(=\frac{16.1}{33.16}\)
\(=\frac{1}{33}\)
\(a,18.\left(x-16\right)=18\)
\(x-16=18:18\)
\(x-16=1\)
\(x=16+1\)
\(x=17\)
\(b,45.\left(11-x\right)=45\)
\(11-x=45:45\)
\(11-x=1\)
\(x=11-1\)
\(x=10\)
\(18.\left(x-16\right)=18\)
\(=>x-16=1\)
\(=>x=17\)
\(45\left(11-x\right)=45\)
\(=>11-x=1\)
\(=>x=10\)
Ủng hộ mik nha
Thanks
26 + 18x = 16x + 146
=> 18x - 16x = 146 - 26
=> 2x = 120
=> x = 60
Vậy: x = 60
(19+11)+(12+18)+(17+13)+(16+14)+15
=30+30+30+30+15
=30x4+15
=120+15
=135
16 không thấy
17 C
18 A
21 B
22 C
31 The classroom mist be cleaned by the girls everyday
32 His uncle doesn't run the business as sucessfully as he
32 The song which makes me sad is bad