12 × 88 + 88 × 88
= (12 + 88) × 88
= 100 × 88
= 8800
⑵ 88x88的简便方法
88x88+88简便计算 花海唯美控J0蕍 数学 2014-11-07 优质解答 下载作业帮App,拍照秒答 很高兴为你原式=88*88+88*1=88*(88+1)=88*89=88* (100-11...
⑶ 81x88—88的简便箅法
81x88-88
=88x(81-1)
=88x80
=(90-2)x80
=7200-160
=7040
⑷ 88+88x88-64x64-64(简便方法)
⑸ 88×88的简便方法
88X88
=(90-2)X88
=90X88-2X88
=7920-176
=7744
⑹ 8+88x888十8888用简便方法
8+88x888十8888用简便方法
8+88x888十8888
=8888+8+888*80+888*8
=78144+8896
=87040
⑺ 88x88+88x88x88简便计算
88x88+88x88x88简便计算
=88x88x(1+88)
=88x88x89
=7744x89
=689216
⑻ 88X88简便方法
=(90-2)²