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列式计算.(1)一个数加上它的25%正好等于60的23,这个数是多少?(2)65与23的和除以它们的差,得到的商再乘514积是多少?
题目详情
列式计算.
(1)一个数加上它的25%正好等于60的
,这个数是多少?
(2)
与
的和除以它们的差,得到的商再乘
积是多少?
,这个数是多少?
(2)
与
的和除以它们的差,得到的商再乘
积是多少?
2 2 3 3
与
的和除以它们的差,得到的商再乘
积是多少?
6 6 5 5
的和除以它们的差,得到的商再乘
积是多少?
2 2 3 3
积是多少?
5 5 14 14
(1)一个数加上它的25%正好等于60的
2 |
3 |
(2)
6 |
5 |
2 |
3 |
5 |
14 |
2 |
3 |
(2)
6 |
5 |
2 |
3 |
5 |
14 |
2 |
3 |
6 |
5 |
2 |
3 |
5 |
14 |
6 |
5 |
2 |
3 |
5 |
14 |
2 |
3 |
5 |
14 |
5 |
14 |
▼优质解答
答案和解析
(1)60×
÷(1+25%)
=40÷125%,
=32.
答:这个数是32;
(2)(
+
)÷(
-
)×
,
=
÷
×
,
=
×
×
,
=
.
答:积是
.
2 2 23 3 3÷(1+25%)
=40÷125%,
=32.
答:这个数是32;
(2)(
+
)÷(
-
)×
,
=
÷
×
,
=
×
×
,
=
.
答:积是
.
6 6 65 5 5+
)÷(
-
)×
,
=
÷
×
,
=
×
×
,
=
.
答:积是
.
2 2 23 3 3)÷(
-
)×
,
=
÷
×
,
=
×
×
,
=
.
答:积是
.
6 6 65 5 5-
)×
,
=
÷
×
,
=
×
×
,
=
.
答:积是
.
2 2 23 3 3)×
,
=
÷
×
,
=
×
×
,
=
.
答:积是
.
5 5 514 14 14,
=
÷
×
,
=
×
×
,
=
.
答:积是
.
28 28 2815 15 15÷
×
,
=
×
×
,
=
.
答:积是
.
8 8 815 15 15×
,
=
×
×
,
=
.
答:积是
.
5 5 514 14 14,
=
×
×
,
=
.
答:积是
.
28 28 2815 15 15×
×
,
=
.
答:积是
.
15 15 158 8 8×
,
=
.
答:积是
.
5 5 514 14 14,
=
.
答:积是
.
5 5 54 4 4.
答:积是
.
5 5 54 4 4.
2 |
3 |
=40÷125%,
=32.
答:这个数是32;
(2)(
6 |
5 |
2 |
3 |
6 |
5 |
2 |
3 |
5 |
14 |
=
28 |
15 |
8 |
15 |
5 |
14 |
=
28 |
15 |
15 |
8 |
5 |
14 |
=
5 |
4 |
答:积是
5 |
4 |
2 |
3 |
=40÷125%,
=32.
答:这个数是32;
(2)(
6 |
5 |
2 |
3 |
6 |
5 |
2 |
3 |
5 |
14 |
=
28 |
15 |
8 |
15 |
5 |
14 |
=
28 |
15 |
15 |
8 |
5 |
14 |
=
5 |
4 |
答:积是
5 |
4 |
6 |
5 |
2 |
3 |
6 |
5 |
2 |
3 |
5 |
14 |
=
28 |
15 |
8 |
15 |
5 |
14 |
=
28 |
15 |
15 |
8 |
5 |
14 |
=
5 |
4 |
答:积是
5 |
4 |
2 |
3 |
6 |
5 |
2 |
3 |
5 |
14 |
=
28 |
15 |
8 |
15 |
5 |
14 |
=
28 |
15 |
15 |
8 |
5 |
14 |
=
5 |
4 |
答:积是
5 |
4 |
6 |
5 |
2 |
3 |
5 |
14 |
=
28 |
15 |
8 |
15 |
5 |
14 |
=
28 |
15 |
15 |
8 |
5 |
14 |
=
5 |
4 |
答:积是
5 |
4 |
2 |
3 |
5 |
14 |
=
28 |
15 |
8 |
15 |
5 |
14 |
=
28 |
15 |
15 |
8 |
5 |
14 |
=
5 |
4 |
答:积是
5 |
4 |
5 |
14 |
=
28 |
15 |
8 |
15 |
5 |
14 |
=
28 |
15 |
15 |
8 |
5 |
14 |
=
5 |
4 |
答:积是
5 |
4 |
28 |
15 |
8 |
15 |
5 |
14 |
=
28 |
15 |
15 |
8 |
5 |
14 |
=
5 |
4 |
答:积是
5 |
4 |
8 |
15 |
5 |
14 |
=
28 |
15 |
15 |
8 |
5 |
14 |
=
5 |
4 |
答:积是
5 |
4 |
5 |
14 |
=
28 |
15 |
15 |
8 |
5 |
14 |
=
5 |
4 |
答:积是
5 |
4 |
28 |
15 |
15 |
8 |
5 |
14 |
=
5 |
4 |
答:积是
5 |
4 |
15 |
8 |
5 |
14 |
=
5 |
4 |
答:积是
5 |
4 |
5 |
14 |
=
5 |
4 |
答:积是
5 |
4 |
5 |
4 |
答:积是
5 |
4 |
5 |
4 |
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