Răspuns :
b:4+237=400
b:4 = 400-237
b:4 = 163
b = 163x4
b = 652
5×(540:3-c)=660
540:3 - c = 660:5
540:3 - c = 132
180 - c = 132
c = 180-132
c = 48
b:4 = 400-237
b:4 = 163
b = 163x4
b = 652
5×(540:3-c)=660
540:3 - c = 660:5
540:3 - c = 132
180 - c = 132
c = 180-132
c = 48
b : 4 + 237 = 400
b : 4 = 400 - 237
b : 4 = 163
b = 163 x 4
b = 652
5 x ( 540 : 3 - c ) = 660
5 x ( 180 - c ) = 660
180 - c = 660 : 5
180 - c = 132
c = 180 - 132
c = 48
Succes! :))
b : 4 = 400 - 237
b : 4 = 163
b = 163 x 4
b = 652
5 x ( 540 : 3 - c ) = 660
5 x ( 180 - c ) = 660
180 - c = 660 : 5
180 - c = 132
c = 180 - 132
c = 48
Succes! :))