题目内容

(1)4050-6300÷42
(2)5.04×6.5-2.76
(3)175×
3
10
+
7
10
×175
(1)4050-6300÷42,
=4050-150,
=3900;

(2)5.04×6.5-2.76,
=32.76-2.76,
=30;

(3)175×
3
10
+
7
10
×175

=175×(
3
10
+
7
10
),
=175×1,
=175.
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