Question

tính 18x5x11/10x9x22
       40x6x35/55x8x12x7

Answer 1

18×5×11 là 1 câu hả bạn

Answer 2

18x5x11=90x11=990
10x9x22=90x22=1.980
40x6x35=240x35=8.400
55x8x12x7=440x12x7=5.280x7=36.960
học tốt_

Answer 3

\(\dfrac{18\times5\times11}{10\times9\times22}=\dfrac{2\times1\times1}{2\times1\times2}=\dfrac{2}{4}=\dfrac{1}{2}\)

\(\dfrac{40\times6\times35}{55\times8\times12\times7}=\dfrac{5\times1\times1}{11\times1\times2\times1}=\dfrac{5}{22}\)

Answer 4

18x5x11=90x11=990
10x9x22=90x22=1.980
40x6x35=240x35=8.400
55x8x12x7=440x12x7=5.280x7=36.960

Answer 5

990/1980
8400/36960
phân số nè đúng ko.Mik thính xong rồi