1+1x1 = 2

OK nha

= ? bn nao nhanh mik se k

1 + 1 x 1

=1+1

=2

^_^

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0 tích mk đi mk tích Bn rồi đó

= 2 

mk k cho :D

=2

tk mk nhé

=2

hok tốt

tk đi

a) \(\sqrt{16}+\sqrt{225}.\sqrt{9}=4+15.3=4+45=49\)

b) \(\sqrt{\dfrac{10000}{400}}+\sqrt{\left(-3\right)^2}.\sqrt{6^4}=\dfrac{100}{20}+\sqrt{9}.\sqrt{36^2}=5+3.36=5+108=113\)

b. \(\sqrt{\dfrac{10000}{400}}+\sqrt{\left(-3\right)^2}.\sqrt{6^4}=\dfrac{100}{20}+3.6^2=5+3.36=5+108=113\)

x + 900 = 100 +1500

x + 900 = 1600

          x = 1600 - 900

         x = 700

ai nhanh mik k va k lai mik nha

mik nhanh nh

ất k mik ^_^

x + 900 = 100 + 1500

x + 900 = 1600

x = 1600 - 900

x  =      700

X+900=100+1500

X+900=1600

X=1600-900

X=700

Vậy X=700

a, | x - 3/4 | = 1/2

=>\(\orbr{\begin{cases}x-\frac{3}{4}=\frac{1}{2}\\x-\frac{3}{4}=-\frac{1}{2}\end{cases}}\)

=>\(\orbr{\begin{cases}x=\frac{1}{2}+\frac{3}{4}\\x=-\frac{1}{2}+\frac{3}{4}\end{cases}}\)

=>\(\orbr{\begin{cases}x=\frac{2}{4}+\frac{3}{4}\\x=-\frac{2}{4}+\frac{3}{4}\end{cases}}\)

=>\(\orbr{\begin{cases}x=\frac{5}{4}\\x=\frac{1}{4}\end{cases}}\)

Vậy....

a) \(|x-\frac{3}{4}|=\frac{1}{2}\)

\(< =>\orbr{\begin{cases}x-\frac{3}{4}=\frac{1}{2}\\x-\frac{3}{4}=-\frac{1}{2}\end{cases}}\)

\(< =>\orbr{\begin{cases}x=\frac{1}{2}+\frac{3}{4}\\x=-\frac{1}{2}+\frac{3}{4}\end{cases}}\)

\(< =>\orbr{\begin{cases}x=\frac{5}{4}\\x=\frac{1}{4}\end{cases}}\)

Vay : x = 5/4 hoặc x =  1/4

b)\(saide\)

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x = ...tìm hổng ra

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