Răspuns :
a=(290-218):9+48-248:8
a= 72:9+48-31
a= 8+48-31
a=56-31
a=25
b= 6*9*0+50-5x10+0:8
b= 0+50-50+0
b= 50-50+0
b= 0+0
b=0
a= 72:9+48-31
a= 8+48-31
a=56-31
a=25
b= 6*9*0+50-5x10+0:8
b= 0+50-50+0
b= 50-50+0
b= 0+0
b=0
a = ( 290 - 218 ) : 9 + 48 - 248 : 8
a = 72 : 9 + 48 - 31
a = 8 + 48 - 31
a = 56 - 31
a = 25
b = 6 × 9 × 0 + 50 - 5 × 10 + 0 : 8
b = 0 + 50 - 50 + 0
b = 0
b : a = 0 : 25 = 0
a = 72 : 9 + 48 - 31
a = 8 + 48 - 31
a = 56 - 31
a = 25
b = 6 × 9 × 0 + 50 - 5 × 10 + 0 : 8
b = 0 + 50 - 50 + 0
b = 0
b : a = 0 : 25 = 0