Va rog ajutatima la ex 4 toate punctele
Răspunsuri la întrebare
= 3+3 x (3+1 x 12) :15=
= 3+3 x (3+12) :15=
= 3+3 x 15:15=
= 3+3 x 1=
= 3+3=
= 6
a) 3+3x [ 3+1 x (3+9)]:15=3=3 x [3+1 x12]:15=3+3 x 15:15=3+3 x 1=6
b) 812-4x [6 x (61-300:30)]:9=812 -4x[6x(61-10)];9=812-4x[6x51]:9=812-4x306:9=812-1224:9=812-136=676
c)[214+240:(16-2x5)]x25-25:25=[214+240:(16-10)]x25-1=
=[214+240:6]x25-1=
=[214+40]x25-1=
=254x25-1=
=6350-1=6349
d) 90+7x[1614-12000:(18-10)]-16=90+7x[1614-12000:8]-16=
=90+7x[1614-1500]-16=
=90+7x114-16=
=90+798-16=
=888-16=
=872
e)44+8x[280:(37-1480:20:37)]:32-7=44+8x [280:(37-74:37)]:32-7=
=44+8x[280:(37-2)]:32-7=
=44+8x[280:35]:32-7=
=44+8x8:32-7=
=44+64:32-7=
=44+2-7=
=46-7=39
f) (18x8+56):[50x40:(220-2x60)]=(144+56):[200:(220-120)]=
=200:[200:100]=
=200:2=100