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列式计算:(1)58与516的和除以23,商是多少?(2)等号左边的比是2.4:6,等号右边比的前项与后项分别是X和35,求X.(用比例解)(3)比一个数多25%,正好是58,这个数是多少?
题目详情
列式计算:
(1)
与
的和除以
,商是多少?
(2)等号左边的比是2.4:6,等号右边比的前项与后项分别是X和
,求X.(用比例解)
(3)比一个数多25%,正好是
,这个数是多少?
与
的和除以
,商是多少?
(2)等号左边的比是2.4:6,等号右边比的前项与后项分别是X和
,求X.(用比例解)
(3)比一个数多25%,正好是
,这个数是多少?
5 5 8 8
的和除以
,商是多少?
(2)等号左边的比是2.4:6,等号右边比的前项与后项分别是X和
,求X.(用比例解)
(3)比一个数多25%,正好是
,这个数是多少?
5 5 16 16
,商是多少?
(2)等号左边的比是2.4:6,等号右边比的前项与后项分别是X和
,求X.(用比例解)
(3)比一个数多25%,正好是
,这个数是多少?
2 2 3 3
,求X.(用比例解)
(3)比一个数多25%,正好是
,这个数是多少?
3 3 5 5
,这个数是多少?
5 5 8 8
(1)
| 5 |
| 8 |
| 5 |
| 16 |
| 2 |
| 3 |
(2)等号左边的比是2.4:6,等号右边比的前项与后项分别是X和
| 3 |
| 5 |
(3)比一个数多25%,正好是
| 5 |
| 8 |
| 5 |
| 8 |
| 5 |
| 16 |
| 2 |
| 3 |
(2)等号左边的比是2.4:6,等号右边比的前项与后项分别是X和
| 3 |
| 5 |
(3)比一个数多25%,正好是
| 5 |
| 8 |
| 5 |
| 8 |
| 5 |
| 16 |
| 2 |
| 3 |
(2)等号左边的比是2.4:6,等号右边比的前项与后项分别是X和
| 3 |
| 5 |
(3)比一个数多25%,正好是
| 5 |
| 8 |
| 5 |
| 16 |
| 2 |
| 3 |
(2)等号左边的比是2.4:6,等号右边比的前项与后项分别是X和
| 3 |
| 5 |
(3)比一个数多25%,正好是
| 5 |
| 8 |
| 2 |
| 3 |
| 3 |
| 5 |
(3)比一个数多25%,正好是
| 5 |
| 8 |
| 3 |
| 5 |
| 5 |
| 8 |
| 5 |
| 8 |
▼优质解答
答案和解析
(1)(
+
)÷
,
=
×
,
=
;
答:商是
.
(2)2.4:6=X:
,
6X=2.4×
,
6X=1.44,
6X÷6=1.44÷6,
X=0.24;
答:X的值是0.24.
(3)
÷(1+25%),
=
÷125%,
=0.5;
答:这个数是0.5.
5 5 58 8 8+
)÷
,
=
×
,
=
;
答:商是
.
(2)2.4:6=X:
,
6X=2.4×
,
6X=1.44,
6X÷6=1.44÷6,
X=0.24;
答:X的值是0.24.
(3)
÷(1+25%),
=
÷125%,
=0.5;
答:这个数是0.5.
5 5 516 16 16)÷
,
=
×
,
=
;
答:商是
.
(2)2.4:6=X:
,
6X=2.4×
,
6X=1.44,
6X÷6=1.44÷6,
X=0.24;
答:X的值是0.24.
(3)
÷(1+25%),
=
÷125%,
=0.5;
答:这个数是0.5. ÷
2 2 23 3 3,
=
×
,
=
;
答:商是
.
(2)2.4:6=X:
,
6X=2.4×
,
6X=1.44,
6X÷6=1.44÷6,
X=0.24;
答:X的值是0.24.
(3)
÷(1+25%),
=
÷125%,
=0.5;
答:这个数是0.5.
15 15 1516 16 16×
,
=
;
答:商是
.
(2)2.4:6=X:
,
6X=2.4×
,
6X=1.44,
6X÷6=1.44÷6,
X=0.24;
答:X的值是0.24.
(3)
÷(1+25%),
=
÷125%,
=0.5;
答:这个数是0.5.
3 3 32 2 2,
=
;
答:商是
.
(2)2.4:6=X:
,
6X=2.4×
,
6X=1.44,
6X÷6=1.44÷6,
X=0.24;
答:X的值是0.24.
(3)
÷(1+25%),
=
÷125%,
=0.5;
答:这个数是0.5.
45 45 4532 32 32;
答:商是
.
(2)2.4:6=X:
,
6X=2.4×
,
6X=1.44,
6X÷6=1.44÷6,
X=0.24;
答:X的值是0.24.
(3)
÷(1+25%),
=
÷125%,
=0.5;
答:这个数是0.5.
45 45 4532 32 32.
(2)2.4:6=X:
,
6X=2.4×
,
6X=1.44,
6X÷6=1.44÷6,
X=0.24;
答:X的值是0.24.
(3)
÷(1+25%),
=
÷125%,
=0.5;
答:这个数是0.5.
3 3 35 5 5,
6X=2.4×
,
6X=1.44,
6X÷6=1.44÷6,
X=0.24;
答:X的值是0.24.
(3)
÷(1+25%),
=
÷125%,
=0.5;
答:这个数是0.5.
3 3 35 5 5,
6X=1.44,
6X÷6=1.44÷6,
X=0.24;
答:X的值是0.24.
(3)
÷(1+25%),
=
÷125%,
=0.5;
答:这个数是0.5.
5 5 58 8 8÷(1+25%),
=
÷125%,
=0.5;
答:这个数是0.5.
5 5 58 8 8÷125%,
=0.5;
答:这个数是0.5.
| 5 |
| 8 |
| 5 |
| 16 |
| 2 |
| 3 |
=
| 15 |
| 16 |
| 3 |
| 2 |
=
| 45 |
| 32 |
答:商是
| 45 |
| 32 |
(2)2.4:6=X:
| 3 |
| 5 |
6X=2.4×
| 3 |
| 5 |
6X=1.44,
6X÷6=1.44÷6,
X=0.24;
答:X的值是0.24.
(3)
| 5 |
| 8 |
=
| 5 |
| 8 |
=0.5;
答:这个数是0.5.
| 5 |
| 8 |
| 5 |
| 16 |
| 2 |
| 3 |
=
| 15 |
| 16 |
| 3 |
| 2 |
=
| 45 |
| 32 |
答:商是
| 45 |
| 32 |
(2)2.4:6=X:
| 3 |
| 5 |
6X=2.4×
| 3 |
| 5 |
6X=1.44,
6X÷6=1.44÷6,
X=0.24;
答:X的值是0.24.
(3)
| 5 |
| 8 |
=
| 5 |
| 8 |
=0.5;
答:这个数是0.5.
| 5 |
| 16 |
| 2 |
| 3 |
=
| 15 |
| 16 |
| 3 |
| 2 |
=
| 45 |
| 32 |
答:商是
| 45 |
| 32 |
(2)2.4:6=X:
| 3 |
| 5 |
6X=2.4×
| 3 |
| 5 |
6X=1.44,
6X÷6=1.44÷6,
X=0.24;
答:X的值是0.24.
(3)
| 5 |
| 8 |
=
| 5 |
| 8 |
=0.5;
答:这个数是0.5. ÷
| 2 |
| 3 |
=
| 15 |
| 16 |
| 3 |
| 2 |
=
| 45 |
| 32 |
答:商是
| 45 |
| 32 |
(2)2.4:6=X:
| 3 |
| 5 |
6X=2.4×
| 3 |
| 5 |
6X=1.44,
6X÷6=1.44÷6,
X=0.24;
答:X的值是0.24.
(3)
| 5 |
| 8 |
=
| 5 |
| 8 |
=0.5;
答:这个数是0.5.
| 15 |
| 16 |
| 3 |
| 2 |
=
| 45 |
| 32 |
答:商是
| 45 |
| 32 |
(2)2.4:6=X:
| 3 |
| 5 |
6X=2.4×
| 3 |
| 5 |
6X=1.44,
6X÷6=1.44÷6,
X=0.24;
答:X的值是0.24.
(3)
| 5 |
| 8 |
=
| 5 |
| 8 |
=0.5;
答:这个数是0.5.
| 3 |
| 2 |
=
| 45 |
| 32 |
答:商是
| 45 |
| 32 |
(2)2.4:6=X:
| 3 |
| 5 |
6X=2.4×
| 3 |
| 5 |
6X=1.44,
6X÷6=1.44÷6,
X=0.24;
答:X的值是0.24.
(3)
| 5 |
| 8 |
=
| 5 |
| 8 |
=0.5;
答:这个数是0.5.
| 45 |
| 32 |
答:商是
| 45 |
| 32 |
(2)2.4:6=X:
| 3 |
| 5 |
6X=2.4×
| 3 |
| 5 |
6X=1.44,
6X÷6=1.44÷6,
X=0.24;
答:X的值是0.24.
(3)
| 5 |
| 8 |
=
| 5 |
| 8 |
=0.5;
答:这个数是0.5.
| 45 |
| 32 |
(2)2.4:6=X:
| 3 |
| 5 |
6X=2.4×
| 3 |
| 5 |
6X=1.44,
6X÷6=1.44÷6,
X=0.24;
答:X的值是0.24.
(3)
| 5 |
| 8 |
=
| 5 |
| 8 |
=0.5;
答:这个数是0.5.
| 3 |
| 5 |
6X=2.4×
| 3 |
| 5 |
6X=1.44,
6X÷6=1.44÷6,
X=0.24;
答:X的值是0.24.
(3)
| 5 |
| 8 |
=
| 5 |
| 8 |
=0.5;
答:这个数是0.5.
| 3 |
| 5 |
6X=1.44,
6X÷6=1.44÷6,
X=0.24;
答:X的值是0.24.
(3)
| 5 |
| 8 |
=
| 5 |
| 8 |
=0.5;
答:这个数是0.5.
| 5 |
| 8 |
=
| 5 |
| 8 |
=0.5;
答:这个数是0.5.
| 5 |
| 8 |
=0.5;
答:这个数是0.5.
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