9 – 1 = 8 98 – 21 = 77 987 – 321 = 666 9876 – 4321 = 5555 98765 – 54321 = 44444 Next will be 987654 – 654321 = 333333
Study the pattern and write the next two steps:
1×8+1=912×8+2=98123×8+3=9871234×8+4=987612345×8+5=98765