问题
填空题
19.38×39+193.8×1.7+1.938×440=______.
答案
19.38×39+193.8×1.7+1.938×440,
=19.38×39+19.38×17+19.38×44,
=19.38×(39+17+44),
=19.38×100,
=1938.
故答案为:1938.
19.38×39+193.8×1.7+1.938×440=______.
19.38×39+193.8×1.7+1.938×440,
=19.38×39+19.38×17+19.38×44,
=19.38×(39+17+44),
=19.38×100,
=1938.
故答案为:1938.