问题 解答题

在○里填上“>、<、=”

5.46-2.1+1.9○5.46-(2.1+1.9)

0.27+0.73○0.04+0.06

7+0.03○3+0.07.

答案

(1)5.46-2.1+1.9

=3.36+1.9

=5.26,

5.46-(2.1+1.9)

=5.46-4

=1.46;

5.46-2.1+1.9>5.46-(2.1+1.9);

(2)0.27+0.73=1;

0.04+0.06=0.1;

0.27+0.73>0.04+0.06;

(3)7+0.03=7.03;

3+0.07=3.07;

7+0.03>3+0.07.

故答案为:>,>,>.

单项选择题
单项选择题