The vertical calculation is 7.06× 2.4-5.7 2.33× 0.5× 40.65×105 3.76× 0.25+25.8× 0.251.2× 2.5+0.8× 2.50.34× 2.56. 5438+0.5× 1.7 0.28×0.39 4.2×2.4 6.52×27 0.32× 1.25 0.008×0.425 10.9×0.38 65438+ 0.2×0.25+2.8×0.25 0.65× 104 3.2× 1.25×2.5 1.25×8.08

The comparison size is1.01×1.01.01.36.7× 0.99× 0.09×1.00.

Simply calculate (1) 3.42× 5.7+4.3× 3.42 (2) 8.75×1-8.75 (3) 7.42× 20.1(4) 5.9× 2.7+0.