43.98乘37减439.8乘6.9加4398乘0.32巧算

问题描述:

43.98乘37减439.8乘6.9加4398乘0.32巧算

43.98X37-439.8X6.9+4398X0.32
=43.98X37-43.98X69+43.98X32
=43.98X(37-69+32)
=43.98X0
=0

43.98乘37减439.8乘6.9加4398乘0.32巧算
=43.98乘37减43.98乘69加43.98乘32
=43.98×(37-69+32)
=0