a) 93 × 8 + 93 × 2 | .................................................. .................................................. .................................................. | .................................................. .................................................. .................................................. |
b) 36 × 9 + 64 × 9 | .................................................. .................................................. .................................................. | .................................................. .................................................. .................................................. |
c) 57 × 8 – 57 × 7 | .................................................. .................................................. .................................................. | .................................................. .................................................. .................................................. |
