问题
解答题
脱式计算下列各题.
(1)13.7+8.65-9.628
(2)12.8-(4.38+1.614)
答案
(1)13.7+8.65-9.628,
=22.35-9.628,
=12.722;
(2)12.8-(4.38+1.614)
=12.8-5.994
=6.806.
脱式计算下列各题.
(1)13.7+8.65-9.628
(2)12.8-(4.38+1.614)
(1)13.7+8.65-9.628,
=22.35-9.628,
=12.722;
(2)12.8-(4.38+1.614)
=12.8-5.994
=6.806.