把3.99×0.5的积精确到百分位是2.00.
①42.37×5.98
②87.92×32.56
③13.42×372.6
④79.54×93.47
⑤54.28×1.45
⑥1.0531×0.64
①1.25×1.7
②0.52×3.1
①3.78×0.9
②5.42×7.5
①9.3×0.64
②5.86×4.3