1.75÷35=0.05; 0.0 5 351.7 5 1 7 5 00.53×2.7=1.431; 0.5 3 × 2.7 . 3 7 1 1 0 6 1.4 3 10.02÷0.25=0.8; 0.8 2.52 0 2 0 06.23×4.2≈26.17. 6.2 3× 4.2 . 1 2 4 6 2 4 9 2 2 6.1 6 6