1413+1414+141414
=
=
1413 : 9 = ?
? + 67 - 85 = 124
123+2424+353
=
=
1324+2424+242424
2453+2424=
2516+2424+6790+1437=???
Ai Nhanh Tk Cho!!!
1111+1212+1313+1414+1515+1616 / 2020+2121+2222+2323+2424+2525 =?
1414+1515+1616+1717+1818+1919/2020+2121+2222+2323+2424+2525
tìm hai số A và B , biết : A/B = 0,2 ; B-A=2424