Question

Afla termenul necunoscut:a×(171-165)=336,b-(570:3)=195,c:(720:9)=9,d×(24:6)=596,(749:7)+e=601,(87×7)-f=209 va rogg urgent dau coroana

Answer 1

a x(171-165)=336
a x 6=336
a=336:6
a=56

b-(570:3)=195
b- 190=195
b=195+190
b=385

c:(720:9)=9
c:80=9
c=80x9
c=720

dx(24:6)=596
dx 4=596
d=596:4
d=149

(749:7)+e=601
107+e=601
e=601-107
e=494

(87x7)-f=209
609-f=209
f=609-209
f=400