问题
填空题
想一想,______里填几?
298×______≈1500
509×______≈3500
______×984≈8000
38×______≈200
______×107≈800
______×62≈360.
答案
298×5≈1500,
509×7≈3500,
8×984≈8000,
38×5≈200,
8×107≈800,
6×62≈360,
故答案为:5,7,8,5,8,6.
想一想,______里填几?
298×______≈1500
509×______≈3500
______×984≈8000
38×______≈200
______×107≈800
______×62≈360.
298×5≈1500,
509×7≈3500,
8×984≈8000,
38×5≈200,
8×107≈800,
6×62≈360,
故答案为:5,7,8,5,8,6.