问题
解答题
43.87×2.65-26.5×5.613=（265）
答案
43.87×2.65+26.5×5.613，
=43.87×2.65+（2.65×10）×5.613，
=43.87×2.65+2.65×56.13，
=（43.87+56.13）×2.65，
=100×2.65，
=265．
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43.87×2.65-26.5×5.613=（265）
43.87×2.65+26.5×5.613，
=43.87×2.65+（2.65×10）×5.613，
=43.87×2.65+2.65×56.13，
=（43.87+56.13）×2.65，
=100×2.65，
=265．