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> (45)2÷(-54)-2+(π-3)0-14÷(-2)-3.-数学
(45)2÷(-54)-2+(π-3)0-14÷(-2)-3.-数学
题目简介
(45)2÷(-54)-2+(π-3)0-14÷(-2)-3.-数学
题目详情
(
4
5
)
2
÷(-
5
4
)
-2
+(π-3
)
0
-
1
4
÷(-2
)
-3
.
题型:解答题
难度:中档
来源:不详
答案
原式=(
class="stub"4
5
)2÷
class="stub"1
(-
class="stub"5
4
)
2
+1-
class="stub"1
4
÷
class="stub"1
(-2
)
3
=
class="stub"16
25
÷
class="stub"16
25
+1-
class="stub"1
4
÷
class="stub"1
-8
=
class="stub"16
25
×
class="stub"25
16
+1-
class="stub"1
4
×(-8)
=1+1+2
=4.
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题目简介
(45)2÷(-54)-2+(π-3)0-14÷(-2)-3.-数学
题目详情
答案
=
=
=1+1+2
=4.