问题
解答题
(1)4050-6300÷42 (2)5.04×6.5-2.76 (3)175×
|
答案
(1)4050-6300÷42,
=4050-150,
=3900;
(2)5.04×6.5-2.76,
=32.76-2.76,
=30;
(3)175×
+3 10
×175,7 10
=175×(
+3 10
),7 10
=175×1,
=175.
(1)4050-6300÷42 (2)5.04×6.5-2.76 (3)175×
|
(1)4050-6300÷42,
=4050-150,
=3900;
(2)5.04×6.5-2.76,
=32.76-2.76,
=30;
(3)175×
+3 10
×175,7 10
=175×(
+3 10
),7 10
=175×1,
=175.