Question

4.3x67+57x4.3-86x1.2,怎么简便计算？

Answer 1

简便计算=4.3*67+57*4.3-4.3*1.2*20
=4.3（67+57-24）
=4.3*100
=430

Answer 2

4.3＊67+57＊掘帆坦4.3-86＊1.2
=4.3＊轿历（67+57-12＊2）判桐
=4.3＊（67+57-24）
=4.3＊100
=430

Answer 3

原瞎颂式:4.3×67+57×4.3-86×1.2
=4.3×（67+57）-86×1.2
=4.3×124-103.2
=533.2 -103.2
=430
请参考银数！磨搏郑

Answer 4

4.3X6.7+57X4.3-86X1.2
=4.3X67+57x4.3-4.3X20X1.2
=4.3X（则激岁孙睁铅旁67+57-24）
=4.3X（124-24）
=4.3x100
=430

Answer 5

简便方法运算：
4.3×67+57×4.3-86×1.2
＝衫磨4.3×67+57×4.3-4.3×24
＝4.3×（67+57-24）亏塌枝销敏
＝4.3×100
＝430