Question

cine ma poate ajuta si pe mine cu niste exercitii de cls 4

x:35-385:4-506:2=502
cerinta este sa aflam valoarea lui X din egalitatile respective

[(x-8+5609):2-111]:100=40

[(Xx2-40):23]x5-6=4


684-9xX=576

X:9+96x8-753=743

va multumesc

Answer 1

X :35-385:4-506:2=506 x:35-96,25-253=506 x:35=506+253+96,25 x:35=855,25 X=855,25:35=24,43 B.[(X-8+5609):2-111]:100=40 x-8+5609=( 40×100+111)×2=8222 X =8222-5609+8=2621 C.684-9xX=572 9x=576+684=1260 X=1260:9=140 D.X:9+96×8-753=743 X:9+768=743+753=1296 X:9=1296-768=528 X=528×9=4752 X=4752