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.

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