Question

42 x 111111/212121=........

Answer 1

ét o ét

Answer 2

\(=42\times\dfrac{11}{21}=22\)

Answer 3

4666662/212121

Answer 4

\(42\times\dfrac{11}{21}=\dfrac{42}{1}\times\dfrac{11}{21}=\dfrac{462}{21}=22\)

Answer 5

=22

Answer 6

22 nhé.Chúc bạn học tốt!

Answer 7

\(42x\dfrac{111111}{212121}=\dfrac{42}{1}x\dfrac{111111}{212121}=\dfrac{4666662}{212121}\)