先估一估大约是多少,再列竖式算一算.452×63______915×46______307×89______625×37______

2024-11-25 09:18:21
推荐回答(1个)
回答1:

452×63≈27000;

915×46≈45000;

307×89≈27000;

625×37≈24000;

故答案为:27000,45000,27000,24000.