题目内容

计算下面各题.
19.46-(5.44-3.476)
5.45+0.98-2.73
56.23+31.07-54.1
100-(28.4-32.05)
(1)19.46-(5.44-3.476),
=19.46-1.964,
=17.496;

(2)5.45+0.98-2.73,
=6.43-2.73,
=3.7;

(3)56.23+31.07-54.1,
=87.3-54.1,
=33.2;

(4)100-(28.4-32.05),
=100-28.4+32.05,
=71.6+32.05,
=103.65.
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