问题
填空题
计算15.38-3.99+6.72-9.01=______.
答案
15.38-3.99+6.72-9.01,
=15.38+6.72-(3.99+9.01),
=22.1-13,
=9.1.
故答案为:9.1.
计算15.38-3.99+6.72-9.01=______.
15.38-3.99+6.72-9.01,
=15.38+6.72-(3.99+9.01),
=22.1-13,
=9.1.
故答案为:9.1.