2,753 ×65,1-65,1 × 2,247
2,753 ×65,1-65,1 × 2,247=32,9406 2,753*65,1=179,2203 65,1*2,247=146,2797 179,2203-146,2797=32,9406
49,49×5,24+5,24×6,51