问题
填空题
横线里应填几?
(1)260.3-______+39.6=159
(2)32.25-(______+19.23)=0.39
(3)65.36-(9.68+______)=32.1
(4)95-(______-9.87)=35.85.
答案
(1)260.3+39.6-159,
=299.6-159,
=140.6;
(2)32.25-19.23-0.39,
=31.86-19.23,
=12.63;
(3)65.36-32.1-9.68,
=33.26-9.68,
=23.58;
(4)95-35.85+9.87,
=59.15+9.87,
=69.02.
故答案为:140.6,12.63,23.58,69.02.