问题
解答题
脱式计算
|
答案
①8160÷12-24×1.05,
=680-25.2,
=654.8;
②2.54×20-(88%+9.12),
=2.54×20-10,
=50.8-10,
=40.8;
③[10
-(1 2
+1 4
)]÷3 8
,1 16
=[10
-1 2
]÷5 8
,1 16
=
×16,79 8
=158.
脱式计算
|
①8160÷12-24×1.05,
=680-25.2,
=654.8;
②2.54×20-(88%+9.12),
=2.54×20-10,
=50.8-10,
=40.8;
③[10
-(1 2
+1 4
)]÷3 8
,1 16
=[10
-1 2
]÷5 8
,1 16
=
×16,79 8
=158.