> 数学 >
10
13
÷2
19
22
−1
2
5
×
11
13
+7+
1
5
×
22
63
=______.
人气:259 ℃ 时间:2019-10-19 12:13:35
解答
10
13
÷2
19
22
−1
2
5
×
11
13
+7+
1
5
×
22
63

=
10
13
×
22
63
-
7
5
×
11
13
+7+
1
5
×
22
63

=(
10
13
+
1
5
)×
22
63
-
7
5
×
11
13
+7
=
63
65
×
22
63
-
7
5
×
11
13
+7
=
22
65
-1
12
65
+7
=6
2
13
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