题目内容

直接写出得数
5.17+1.96+4.83=12.5×0.34×8=5.01×101-5.01=
7
12
-
1
3
)×
2
7
=
5×(
1
5
-
1
6
)×6=
(1)5.17+1.96+4.83,
=(5.17+4.83)+1.96,
=10+1.96,
=11.96;

(2)12.5×0.34×8,
=12.5×8×0.34,
=100×0.34,
=34;

(3)5.01×101-5.01,
=5.01×(101-1),
=5.01×100,
=501;

(4)﹙
7
12
-
1
3
)×
2
7

=
1
4
×
2
7

=
1
14


(5)5×(
1
5
-
1
6
)×6,
=(5×6)×(
1
5
-
1
6
),
=5×6×
1
5
-5×6×
1
6

=5×
1
5
×6-6×
1
6
×5,
=1×6-1×5,
=6-5,
=1.
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