cách 1:(3/4*1/2)*2
= 3/8*2
=6/8
=2/4
=2
C1 : 3/4 x 1/2 x 2
= 3/8 x 2
= 3/4
C2 : 3/4 x 1/2 x 2
= 3/4 x ( 1/2 x 2 )
= 3/4 x 1
= 3/4
\(C1:\)
\(\frac{3}{4}\times\frac{1}{2}\times2\)
\(=\frac{3}{4}\times\left(\frac{1}{2}\times2\right)\)
\(=\frac{3}{4}\times1\)
\(=\frac{3}{4}\)
\(C2:\)
\(\frac{3}{4}\times\frac{1}{2}\times2\)
\(=\frac{3}{8}\times2\)
\(=\frac{6}{8}=\frac{3}{4}\)
bằng \(\frac{3}{4} nhaaaaaa\)
bằng 3/4
cách 2:
= 3/4*2*1/2*2
= 6/8*1
= 6/8
= 3/4
mik nhầm câu kia nha bạn câu đó mik rút gọn nhầm,bằng 3/4 bn nhé