3 5 1 x7 8 ___________ 7 3 4 x 9 0 _____________ ______________________ - 3 8 6 _______ - ______________________ 7 5 6 - _______ - 8 6 4 3 + 8 5 9 6 3 ______________ 6 7 8 x8 4 ___________ 2 9 7 8 8 _______ - 4 5 9 _______ 4 _______ 6 3 0 8 5 - 5 9 4 7 ______________ 2 6 7 1 5 - 9 8 6 2 ______________ 7 3 0 8 5 + 9 0 7 4 6 1 __________________