2.052.050
17.7217.27
0.25
4.05平方米4平方米50平方分米
①703克0.73千克 ②16.0216.020 ③0.99×0.91
④52×0.363.6×5.2 ⑤4.9×0.850.85 ⑥82.6×0.782.6
列式解答:
①
②
③12.5×0.32×2.5
④5÷+÷5
⑤18×()×14
⑥4.5×26+45×7.4