43.98乘37减439.8乘6.9加4398乘0.32巧算

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43.98乘37减439.8乘6.9加4398乘0.32巧算43.98乘37减439.8乘6.9加4398乘0.32巧算43.98乘37减439.8乘6.9加4398乘0.32巧算43.98乘37减4

43.98乘37减439.8乘6.9加4398乘0.32巧算
43.98乘37减439.8乘6.9加4398乘0.32巧算

43.98乘37减439.8乘6.9加4398乘0.32巧算
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

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