333387又1/2*79+790*6661又1/4=

问题描述:

333387又1/2*79+790*6661又1/4=
要有算法和算式

333387又1/2*79+790*6661又1/4
=333387.5*79+790*6661.25
=33338.75*790+790*6661.25
=790*(33338.75+6661.25)
=790*40000
=31600000