Răspuns :
90 kl - 720 dal= 828 hl
= 900 hl - 72 hl =
= 828 hl
_______________
250 dal+75 hl= 100hl
= 25 hl + 75 hl =
= 100 hl =
= 10 kl
= 900 hl - 72 hl =
= 828 hl
_______________
250 dal+75 hl= 100hl
= 25 hl + 75 hl =
= 100 hl =
= 10 kl