计算:19.98×37-199.8×1.9+1998×0.82=_.
问题描述:
计算:19.98×37-199.8×1.9+1998×0.82=______.
答
19.98×37-199.8×1.9+1998×0.82
=19.98×37-19.98×19+19.98×82,
=19.98×(37-19+82),
=19.98×100,
=1998.
故答案为:1998.