203ⅹ1849x24+24简便计算

203ⅹ1849x24+24简便计算
2025-02-19 06:09:09
推荐回答(1个)
回答1:

203ⅹ18
=(200+3)x18
=200x18+3x18
=3600+54
=3654

49x24+24
=(49+1)x24
=50x24
=1200