
47✘59 46✘41用简便方法怎样计算?
1个回答
展开全部
47×59+46×41
=(46+1)×59+46×41
=46×59+1×59+46×41
=46×59+46×41+59
=46×(59+41)+59
=46×100+59
=4659
=(46+1)×59+46×41
=46×59+1×59+46×41
=46×59+46×41+59
=46×(59+41)+59
=46×100+59
=4659
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