问题 解答题
用你喜欢的方法计算.
15÷
5
9
×
1
6
×8
5
6
÷3+
1
6
×
1
3
1
9
×101-
1
9
÷
1
2
1
7
+
1
5
+
1
14
)×70
1
56
÷
1
7
+
55
56
×7
5
7
×
1
6
÷
5
7
×
1
6
答案

(1)15÷

5
9
×
1
6
×8

=15×

9
5
×
1
6
×8

=27×

1
6
×8

=

9
2
×8

=36;

(2)

5
6
÷3+
1
6
×
1
3

=

5
6
×
1
3
+
1
6
×
1
3

=(

5
6
+
1
6
)×
1
3

=1×

1
3

=

1
3

(3)

1
9
×101-
1
9
÷
1
2

=

1
9
×101-
1
9
×2

=

1
9
×(101-2)

=

1
9
×99

=11;

(4)(

1
7
+
1
5
+
1
14
)×70

=

1
7
×70+
1
5
×70+
1
14
×70

=10+14+5

=29;

(5)

1
56
÷
1
7
+
55
56
×7

=

1
56
×7+
55
56
×7

=(

1
56
+
55
56
)×7

=1×7

=7;

(6)

5
7
×
1
6
÷
5
7
×
1
6

=

5
7
×
1
6
×
7
5
×
1
6

=(

5
7
×
7
5
)×(
1
6
×
1
6

=1×

1
36

=

1
36

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