准确计算:42×928944×1165×15313×26371821×792324×869347×2856+15×23910×(53+23)15×115-34(34-12)×121718×36+561

题目简介

准确计算:42×928944×1165×15313×26371821×792324×869347×2856+15×23910×(53+23)15×115-34(34-12)×121718×36+561

题目详情

准确计算:
42×
9
28
9
44
×11
6
5
×15
3
13
×
26
37
18
21
×
7
9
23
24
×
8
69
3
4
7
×28
5
6
+
1
5
×
2
3
9
10
×(
5
3
+
2
3
15×
1
15
-
3
4
3
4
-
1
2
)×12
17
18
×36+
5
6
18-16×
3
4
3
7
×(
1
2
-
1
6
3
4
×
2
3
-
3
10
12×(
1
4
+
5
6
1
6
×
2
5
-
1
20
3
4
-
1
3
)×24
2
5
×4+
2
5
3
4
×9-
3
4
5
12
×
8
7
-
1
7
×
5
12
5
8
×
6
7
-
5
8
×
2
7
91×
7
90
5
12
×13-
5
12
69×(
7
23
×
2
15
79
80
×81
16.87-
2
7
+3.23-
5
7
题型:解答题难度:中档来源:不详

答案

42×class="stub"9
28
=class="stub"27
2
class="stub"9
44
×11=class="stub"9
4
class="stub"6
5
×15=18;
class="stub"3
13
×class="stub"26
37
=class="stub"6
37
class="stub"18
21
×class="stub"7
9
=class="stub"2
3
class="stub"23
24
×class="stub"8
69
=class="stub"1
9
3class="stub"4
7
×28=100;
class="stub"5
6
+class="stub"1
5
×class="stub"2
3
=class="stub"29
30
class="stub"9
10
×(class="stub"5
3
+class="stub"2
3
)=class="stub"21
10
15×class="stub"1
15
-class="stub"3
4
=class="stub"1
4
class="stub"3
4
-class="stub"1
2
)×12=3;
class="stub"17
18
×36+class="stub"5
6
=34class="stub"5
6
18-16×class="stub"3
4
=6;
class="stub"3
7
×(class="stub"1
2
-class="stub"1
6
)=class="stub"1
7
class="stub"3
4
×class="stub"2
3
-class="stub"3
10
=class="stub"1
5
12×(class="stub"1
4
+class="stub"5
6
)=13;
class="stub"1
6
×class="stub"2
5
-class="stub"1
20
=class="stub"1
60
class="stub"3
4
-class="stub"1
3
)×24=10;
class="stub"2
5
×4+class="stub"2
5
=2;
class="stub"3
4
×9-class="stub"3
4
=6;
class="stub"5
12
×class="stub"8
7
-class="stub"1
7
×class="stub"5
12
=class="stub"5
12
class="stub"5
8
×class="stub"6
7
-class="stub"5
8
×class="stub"2
7
=class="stub"5
14
91×class="stub"7
90
=7class="stub"7
90
class="stub"5
12
×13-class="stub"5
12
=5;
69×(class="stub"7
23
×class="stub"2
15
)=class="stub"14
5
class="stub"79
80
×81=79class="stub"79
80
16.87-class="stub"2
7
+3.23-class="stub"5
7
=19.1.

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