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:>,>,>.