问题
解答题
计算. 24×(
|
答案
(1)24×(
+7 12
-3 4
),1 2
=24×
+24×7 12
-24×3 4
,1 2
=14+18-12,
=20;
(2)45.36÷7.2-1.08×3.5,
=6.3-3.78,
=2.52.
计算. 24×(
|
(1)24×(
+7 12
-3 4
),1 2
=24×
+24×7 12
-24×3 4
,1 2
=14+18-12,
=20;
(2)45.36÷7.2-1.08×3.5,
=6.3-3.78,
=2.52.