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用简便方法计算(1)22×5556+22×156(2)1+44×17÷11÷34(3)(57-23)÷521×5(4)2012÷201220122013.
题目详情
用简便方法计算
(1)22×
+22×
(2)1+44×17÷11÷34
(3)(
-
)÷
×5
(4)2012÷2012
.
+22×
(2)1+44×17÷11÷34
(3)(
-
)÷
×5
(4)2012÷2012
.
55 55 56 56
(2)1+44×17÷11÷34
(3)(
-
)÷
×5
(4)2012÷2012
.
1 1 56 56
-
)÷
×5
(4)2012÷2012
.
5 5 7 7
)÷
×5
(4)2012÷2012
.
2 2 3 3
×5
(4)2012÷2012
.
5 5 21 21
.
2012 2012 2013 2013
(1)22×
55 |
56 |
1 |
56 |
(2)1+44×17÷11÷34
(3)(
5 |
7 |
2 |
3 |
5 |
21 |
(4)2012÷2012
2012 |
2013 |
55 |
56 |
1 |
56 |
(2)1+44×17÷11÷34
(3)(
5 |
7 |
2 |
3 |
5 |
21 |
(4)2012÷2012
2012 |
2013 |
55 |
56 |
1 |
56 |
(2)1+44×17÷11÷34
(3)(
5 |
7 |
2 |
3 |
5 |
21 |
(4)2012÷2012
2012 |
2013 |
1 |
56 |
5 |
7 |
2 |
3 |
5 |
21 |
(4)2012÷2012
2012 |
2013 |
5 |
7 |
2 |
3 |
5 |
21 |
(4)2012÷2012
2012 |
2013 |
2 |
3 |
5 |
21 |
(4)2012÷2012
2012 |
2013 |
5 |
21 |
2012 |
2013 |
2012 |
2013 |
▼优质解答
答案和解析
(1)22×
+22×
,
=22
+
,
=22×1,
=22;
(2)1+44×17÷11÷34,
=1+44×17×
×
,
=1+2,
=3;
(3)(
-
)÷
×5,
=(
−
)×
×5,
=
×21−
×21,
=15-14,
=1;
(4)2012÷2012
.
=2012÷
,
=2012÷
,
=2012×
,
=
,
=
.
55 55 5556 56 56+22×
,
=22
+
,
=22×1,
=22;
(2)1+44×17÷11÷34,
=1+44×17×
×
,
=1+2,
=3;
(3)(
-
)÷
×5,
=(
−
)×
×5,
=
×21−
×21,
=15-14,
=1;
(4)2012÷2012
.
=2012÷
,
=2012÷
,
=2012×
,
=
,
=
.
1 1 156 56 56,
=22
+
,
=22×1,
=22;
(2)1+44×17÷11÷34,
=1+44×17×
×
,
=1+2,
=3;
(3)(
-
)÷
×5,
=(
−
)×
×5,
=
×21−
×21,
=15-14,
=1;
(4)2012÷2012
.
=2012÷
,
=2012÷
,
=2012×
,
=
,
=
.
55 55 5556 56 56+
1 1 156 56 56,
=22×1,
=22;
(2)1+44×17÷11÷34,
=1+44×17×
×
,
=1+2,
=3;
(3)(
-
)÷
×5,
=(
−
)×
×5,
=
×21−
×21,
=15-14,
=1;
(4)2012÷2012
.
=2012÷
,
=2012÷
,
=2012×
,
=
,
=
.
1 1 111 11 11×
1 1 134 34 34,
=1+2,
=3;
(3)(
-
)÷
×5,
=(
−
)×
×5,
=
×21−
×21,
=15-14,
=1;
(4)2012÷2012
.
=2012÷
,
=2012÷
,
=2012×
,
=
,
=
.
5 5 57 7 7-
)÷
×5,
=(
−
)×
×5,
=
×21−
×21,
=15-14,
=1;
(4)2012÷2012
.
=2012÷
,
=2012÷
,
=2012×
,
=
,
=
.
2 2 23 3 3)÷
×5,
=(
−
)×
×5,
=
×21−
×21,
=15-14,
=1;
(4)2012÷2012
.
=2012÷
,
=2012÷
,
=2012×
,
=
,
=
.
5 5 521 21 21×5,
=(
−
)×
×5,
=
×21−
×21,
=15-14,
=1;
(4)2012÷2012
.
=2012÷
,
=2012÷
,
=2012×
,
=
,
=
.
5 5 57 7 7−
2 2 23 3 3)×
×5,
=
×21−
×21,
=15-14,
=1;
(4)2012÷2012
.
=2012÷
,
=2012÷
,
=2012×
,
=
,
=
.
21 21 215 5 5×5,
=
×21−
×21,
=15-14,
=1;
(4)2012÷2012
.
=2012÷
,
=2012÷
,
=2012×
,
=
,
=
.
5 5 57 7 7×21−
2 2 23 3 3×21,
=15-14,
=1;
(4)2012÷2012
.
=2012÷
,
=2012÷
,
=2012×
,
=
,
=
.
2012 2012 20122013 2013 2013.
=2012÷
,
=2012÷
,
=2012×
,
=
,
=
.
2012×2013+2012 2012×2013+2012 2012×2013+20122013 2013 2013,
=2012÷
,
=2012×
,
=
,
=
.
2012×(2013+1) 2012×(2013+1) 2012×(2013+1)2013 2013 2013,
=2012×
,
=
,
=
.
2013 2013 20132012×(2013+1) 2012×(2013+1) 2012×(2013+1),
=
,
=
.
2013 2013 20132013+1 2013+1 2013+1,
=
.
2013 2013 20132014 2014 2014.
55 |
56 |
1 |
56 |
=22
55 |
56 |
1 |
56 |
=22×1,
=22;
(2)1+44×17÷11÷34,
=1+44×17×
1 |
11 |
1 |
34 |
=1+2,
=3;
(3)(
5 |
7 |
2 |
3 |
5 |
21 |
=(
5 |
7 |
2 |
3 |
21 |
5 |
=
5 |
7 |
2 |
3 |
=15-14,
=1;
(4)2012÷2012
2012 |
2013 |
=2012÷
2012×2013+2012 |
2013 |
=2012÷
2012×(2013+1) |
2013 |
=2012×
2013 |
2012×(2013+1) |
=
2013 |
2013+1 |
=
2013 |
2014 |
55 |
56 |
1 |
56 |
=22
55 |
56 |
1 |
56 |
=22×1,
=22;
(2)1+44×17÷11÷34,
=1+44×17×
1 |
11 |
1 |
34 |
=1+2,
=3;
(3)(
5 |
7 |
2 |
3 |
5 |
21 |
=(
5 |
7 |
2 |
3 |
21 |
5 |
=
5 |
7 |
2 |
3 |
=15-14,
=1;
(4)2012÷2012
2012 |
2013 |
=2012÷
2012×2013+2012 |
2013 |
=2012÷
2012×(2013+1) |
2013 |
=2012×
2013 |
2012×(2013+1) |
=
2013 |
2013+1 |
=
2013 |
2014 |
1 |
56 |
=22
55 |
56 |
1 |
56 |
=22×1,
=22;
(2)1+44×17÷11÷34,
=1+44×17×
1 |
11 |
1 |
34 |
=1+2,
=3;
(3)(
5 |
7 |
2 |
3 |
5 |
21 |
=(
5 |
7 |
2 |
3 |
21 |
5 |
=
5 |
7 |
2 |
3 |
=15-14,
=1;
(4)2012÷2012
2012 |
2013 |
=2012÷
2012×2013+2012 |
2013 |
=2012÷
2012×(2013+1) |
2013 |
=2012×
2013 |
2012×(2013+1) |
=
2013 |
2013+1 |
=
2013 |
2014 |
55 |
56 |
1 |
56 |
=22×1,
=22;
(2)1+44×17÷11÷34,
=1+44×17×
1 |
11 |
1 |
34 |
=1+2,
=3;
(3)(
5 |
7 |
2 |
3 |
5 |
21 |
=(
5 |
7 |
2 |
3 |
21 |
5 |
=
5 |
7 |
2 |
3 |
=15-14,
=1;
(4)2012÷2012
2012 |
2013 |
=2012÷
2012×2013+2012 |
2013 |
=2012÷
2012×(2013+1) |
2013 |
=2012×
2013 |
2012×(2013+1) |
=
2013 |
2013+1 |
=
2013 |
2014 |
1 |
11 |
1 |
34 |
=1+2,
=3;
(3)(
5 |
7 |
2 |
3 |
5 |
21 |
=(
5 |
7 |
2 |
3 |
21 |
5 |
=
5 |
7 |
2 |
3 |
=15-14,
=1;
(4)2012÷2012
2012 |
2013 |
=2012÷
2012×2013+2012 |
2013 |
=2012÷
2012×(2013+1) |
2013 |
=2012×
2013 |
2012×(2013+1) |
=
2013 |
2013+1 |
=
2013 |
2014 |
5 |
7 |
2 |
3 |
5 |
21 |
=(
5 |
7 |
2 |
3 |
21 |
5 |
=
5 |
7 |
2 |
3 |
=15-14,
=1;
(4)2012÷2012
2012 |
2013 |
=2012÷
2012×2013+2012 |
2013 |
=2012÷
2012×(2013+1) |
2013 |
=2012×
2013 |
2012×(2013+1) |
=
2013 |
2013+1 |
=
2013 |
2014 |
2 |
3 |
5 |
21 |
=(
5 |
7 |
2 |
3 |
21 |
5 |
=
5 |
7 |
2 |
3 |
=15-14,
=1;
(4)2012÷2012
2012 |
2013 |
=2012÷
2012×2013+2012 |
2013 |
=2012÷
2012×(2013+1) |
2013 |
=2012×
2013 |
2012×(2013+1) |
=
2013 |
2013+1 |
=
2013 |
2014 |
5 |
21 |
=(
5 |
7 |
2 |
3 |
21 |
5 |
=
5 |
7 |
2 |
3 |
=15-14,
=1;
(4)2012÷2012
2012 |
2013 |
=2012÷
2012×2013+2012 |
2013 |
=2012÷
2012×(2013+1) |
2013 |
=2012×
2013 |
2012×(2013+1) |
=
2013 |
2013+1 |
=
2013 |
2014 |
5 |
7 |
2 |
3 |
21 |
5 |
=
5 |
7 |
2 |
3 |
=15-14,
=1;
(4)2012÷2012
2012 |
2013 |
=2012÷
2012×2013+2012 |
2013 |
=2012÷
2012×(2013+1) |
2013 |
=2012×
2013 |
2012×(2013+1) |
=
2013 |
2013+1 |
=
2013 |
2014 |
21 |
5 |
=
5 |
7 |
2 |
3 |
=15-14,
=1;
(4)2012÷2012
2012 |
2013 |
=2012÷
2012×2013+2012 |
2013 |
=2012÷
2012×(2013+1) |
2013 |
=2012×
2013 |
2012×(2013+1) |
=
2013 |
2013+1 |
=
2013 |
2014 |
5 |
7 |
2 |
3 |
=15-14,
=1;
(4)2012÷2012
2012 |
2013 |
=2012÷
2012×2013+2012 |
2013 |
=2012÷
2012×(2013+1) |
2013 |
=2012×
2013 |
2012×(2013+1) |
=
2013 |
2013+1 |
=
2013 |
2014 |
2012 |
2013 |
=2012÷
2012×2013+2012 |
2013 |
=2012÷
2012×(2013+1) |
2013 |
=2012×
2013 |
2012×(2013+1) |
=
2013 |
2013+1 |
=
2013 |
2014 |
2012×2013+2012 |
2013 |
=2012÷
2012×(2013+1) |
2013 |
=2012×
2013 |
2012×(2013+1) |
=
2013 |
2013+1 |
=
2013 |
2014 |
2012×(2013+1) |
2013 |
=2012×
2013 |
2012×(2013+1) |
=
2013 |
2013+1 |
=
2013 |
2014 |
2013 |
2012×(2013+1) |
=
2013 |
2013+1 |
=
2013 |
2014 |
2013 |
2013+1 |
=
2013 |
2014 |
2013 |
2014 |
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