问题
解答题
用简便方法计算(要写出主要计算过程). 3
|
答案
(1)3
+4.25+61 6
+5.275 6
=3
+61 6
+4.25+5.275 6
=10+4.25+5.27
=19.52;
(2)24×(
+1 4
)1 8
=24×
+24×1 4 1 8
=6+3
=9;
故答案为19.52;9.
用简便方法计算(要写出主要计算过程). 3
|
(1)3
+4.25+61 6
+5.275 6
=3
+61 6
+4.25+5.275 6
=10+4.25+5.27
=19.52;
(2)24×(
+1 4
)1 8
=24×
+24×1 4 1 8
=6+3
=9;
故答案为19.52;9.