Sagot :
9 29/40 = 9 + 29/40
= 9/1 + 29/40
= (9/1 * 40/40) + 29/40
= 360/40 + 29/40
= 389/40
= 389 ÷ 40 = 9.725
= 9/1 + 29/40
= (9/1 * 40/40) + 29/40
= 360/40 + 29/40
= 389/40
= 389 ÷ 40 = 9.725