Question

15.6✖️78➖156✖️1.4➕36✖️15.6的简便方法？

Answer 1

15.6*78-156*1.4+36*15.6
=15.6*78-15.6*10*1.4+36*15.6
=15.6*78-15.6*（10*1.4）+36*15.6
=15.6*78-15.6*14+36*15.6
=15.6*（78-14+36）巧腔袜孝激
=15.6*100
=1560
*是圆高乘号

Answer 2

15.6x78—扰岁衡156×1.4十36X15.6
=15.6X78一雀培15.6X14十36X15.6
=15.6X（78一缓做14十36）
=15.6X100
=1560