问题
解答题
5.28×67+0.32×528+5.28.
答案
5.28×67+0.32×528+5.28,
=5.28×67+32×5.28+5.28,
=5.28×(67+32+1),
=5.28×100,
=528.
5.28×67+0.32×528+5.28.
5.28×67+0.32×528+5.28,
=5.28×67+32×5.28+5.28,
=5.28×(67+32+1),
=5.28×100,
=528.