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> 计算.(1)|-2|+(13)-1×(π-2)0-9+(-1)2;(2)(318+1550-412)÷32.-数学
计算.(1)|-2|+(13)-1×(π-2)0-9+(-1)2;(2)(318+1550-412)÷32.-数学
题目简介
计算.(1)|-2|+(13)-1×(π-2)0-9+(-1)2;(2)(318+1550-412)÷32.-数学
题目详情
计算.
(1)
|-2|+(
1
3
)
-1
×(π-
2
)
0
-
9
+(-1
)
2
;(2)
(3
18
+
1
5
50
-4
1
2
)÷
32
.
题型:解答题
难度:中档
来源:不详
答案
(1)原式=2+3×1-3+1
=2+3-3+1
=3;
(2)原式=(9
2
+
class="stub"1
5
×5
2
-4×
2
2
)÷4
2
=(9
2
+
2
-2
2
)÷4
2
=8
2
÷4
2
=2.
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题目简介
计算.(1)|-2|+(13)-1×(π-2)0-9+(-1)2;(2)(318+1550-412)÷32.-数学
题目详情
(1)|-2|+(
答案
=2+3-3+1
=3;
(2)原式=(9
=(9
=8
=2.