Question

(2/3+ 1/6) :7/3 x 0.4​

Answer 1

Răspuns:

•(2/3+1/6):7/3×0,4=(4/6+1/6):7/3×0,4=5/6:7/3×0,4=5/6×3/7×0,4=15/42×0,4=15/42×4/10=60/420(care se poate simplifica cu 60 si va da 1/7)

Answer 2

Răspuns:

(12/18+3/18):7/3•0,4 105/126•54/126•0,4

15/18:7/3•0,4 13130/126•0,4

15/18•3/7•0,4 13130/126•4/10

131300/1260•504/1260

R:6617520/126