题目内容
列式计算.
(1)x的5倍减去x的
的差等于
,求x.(用方程解答)
(2)0.8与0.4的差,加上1
除1.25的商,和是多少?
(1)x的5倍减去x的
| 7 |
| 9 |
| 19 |
| 27 |
(2)0.8与0.4的差,加上1
| 1 |
| 4 |
(1)5x-
x=
;
x=
,
x÷
=
÷
,
x=
;
答:x的值是
.
(2)(0.8-0.4)+(1.25÷1
),
=0.4+1,
=1.4;
答:和是1.4.
| 7 |
| 9 |
| 19 |
| 27 |
| 38 |
| 9 |
| 19 |
| 27 |
| 38 |
| 9 |
| 38 |
| 9 |
| 19 |
| 27 |
| 38 |
| 9 |
x=
| 1 |
| 6 |
答:x的值是
| 1 |
| 6 |
(2)(0.8-0.4)+(1.25÷1
| 1 |
| 4 |
=0.4+1,
=1.4;
答:和是1.4.
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