问题
解答题
| 简便计算 ①（
|
答案
①（
+1 10
+7 6
）×68，5 10
=（
+1 10
+5 10
）×68，7 6
=（
+3 5
）×68，7 6
=
×68，53 30
=
；1802 15
②4.65-1.37-2.63，
=4.65-（1.37+2.63），
=4.65-4，
=0.65．
搜题请搜索小程序“爱下问搜题”
| 简便计算 ①（
|
①（
+1 10
+7 6
）×68，5 10
=（
+1 10
+5 10
）×68，7 6
=（
+3 5
）×68，7 6
=
×68，53 30
=
；1802 15
②4.65-1.37-2.63，
=4.65-（1.37+2.63），
=4.65-4，
=0.65．