Question

cum se rezolva? afla numarul necunoscut

Answer 1

○(a/8 + 8)*1/8 = 2 (x+64)/8 * 1/8 = 2 (x+64)/64 = 2 |*64 x+64 = 128 x=128-64  x= 64 ○(6*e-5):7=7 |*7 6*e-5 = 49 6*e = 49+5 6*e=54 e= 54/6 e=9 ○96-6*i=78 -6*i = 78-96 -6*i = -18 i = -18/-6 i = +3 ○36+63:o-6=39 36+ (63/o) -6 = 39 30 + (63/o) = 39 63/o = 39-30 63/o = 9 63 = 9o 9o = 63 O=63/9 o=7 ○u:3+7-6=8 u:3=8+6-7 u:3=7 |*3 u*1 = 7*3  u = 21