62ᠧ4+44ᠧ5ᠧ18简便方法?

2025-06-28 21:54:26
推荐回答(2个)
回答1:

62✘4+44✘5✘18
=248+44✘90
=250-2+3960
=250+4000-2-40
=4250-42
=4208

回答2:

62×4+44×5×18
=62×4+44×90
=248+3960
=4208