👤
a fost răspuns

afla numerele necunoscute...310+198+x=983, 123+x-123=519. 802-x-215=396. x-140-240=20

Răspuns :

Raluk81
310+198+x= 983 => x= 983-198-310 => x= 475
123+x-123= 519 => x= 519-123+123 => x= 519
802-x-215= 396 => x= 802-215-396 => x= 191
x-140-240= 20 => x= 20+240+120 => x= 380

Alte intrebari