简便计算 888+444×21+222×54

分类: 作业答案 • 2022-02-21 22:37:58

问题描述：

答

222×4＋222×2×21＋222×54
＝222×﹙4＋2×21＋54﹚
＝222×100
＝22200

答

888=222*4
444=222*2
答案等于222*（4+2*21+54）=22200

答

888+444×21+222×54
=222×4 + 222×2×21+222×54
=222×( 4+42+54)
=222×100
=22200

答

=222*（4+42+54）
=222*100
=22200