Question

tính bằng cách thuận tiện nhất

\(1\frac{1}{2}x1\frac{1}{3}x1\frac{1}{4}=\)

giúp mik nha

Answer 1

\(1\frac{1}{2}\times1\frac{1}{3}\times1\frac{1}{4}\)

=\(\frac{3}{2}\times\frac{4}{3}\times\frac{5}{4}\)

=3-3\4-4x\(\frac{5}{2}\)

=\(\frac{5}{2}\)

Answer 2

5 phan 2

Answer 3

\(1\frac{1}{2}.1\frac{1}{3}.1\frac{1}{4}=\frac{3}{2}.\frac{4}{3}.\frac{5}{4}=2.\frac{5}{4}=\frac{5}{2}\)