问题
解答题
|
答案
×[(13 8
+21 2
)÷2 3
-25 6
]1 3
=
×[(3 8
+3 2
)×8 3
-26 5
]1 3
=
×[(3 8
+9 6
)×16 6
-26 5
],1 3
=
×[3 8
×25 6
-26 5
],1 3
=
×[5-23 8
],1 3
=
×3 8
,8 3
=1.
|
×[(13 8
+21 2
)÷2 3
-25 6
]1 3
=
×[(3 8
+3 2
)×8 3
-26 5
]1 3
=
×[(3 8
+9 6
)×16 6
-26 5
],1 3
=
×[3 8
×25 6
-26 5
],1 3
=
×[5-23 8
],1 3
=
×3 8
,8 3
=1.