Question

afla numerele necunoscute: a) 24×7-a=59;b)318×20+b=6800 c) c-124×45=90

Answer 1

24×7-a=59
168-59=a
a=109

318×20+b=6800
b=6800-6360
b=440

c-124×45=90
c=90+5580
c=5670