Question

47×59+46×41的简便运算？

使用简便方法计算下面各题。

Answer 1

观察了一下式子，可以简便运算
47×59+46×41
=（46+1）×59+46×41
=46×59+1×59+46×41
=46×（59+41）+59
=46×100+59
=4600+59
=4659

Answer 2

47×59+47×41-41＝47×(59+41)-41＝4700-41＝4659

Answer 3

47×59+46×41
=（46+1）×59+46×41
=46×59+59×1+46×41
=46×（59+41）+59
=46×100+59
=4600+59
=4659

Answer 4

=47*(59+41)
=4700

Answer 5

（46+1）x59+46x41
=46x59+1x59+46x41
=46x(59+41)+59
=46x100+59
=4600+59
=4659