问题 解答题 用四舍五入法凑整.凑成整千数凑成整万数凑成整百万数2952678__________________1526392__________________6582903__________________ 答案 如图:故答案为:2953000,2950000,3000000,1526000,1530000,2000000,6583000,6580000,7000000.