Răspuns :
a-b = 57,81
a= 101 ·b
101 · b - b = 57,81 100b=57,81 b=0,5781
a= 101· 0,5781=58,3881
a= 101 ·b
101 · b - b = 57,81 100b=57,81 b=0,5781
a= 101· 0,5781=58,3881
a - b = 57.81
a = b x 101
b x 101 - b = 57.81
b x 100 = 57.81
b = 0.5781
a = b x 101
b x 101 - b = 57.81
b x 100 = 57.81
b = 0.5781