问题
解答题
3.45×6.8+65.5×0.68=______.
答案
3.45×6.8+65.5×0.68,
=3.45×6.8+6.55×6.8,
=(3.45+6.55)×6.8,
=10×6.8,
=68.
故答案为:68.
3.45×6.8+65.5×0.68=______.
3.45×6.8+65.5×0.68,
=3.45×6.8+6.55×6.8,
=(3.45+6.55)×6.8,
=10×6.8,
=68.
故答案为:68.