题目内容
列式计算.
(1)10减去6除1.5的商,所得的差乘6,积是多少?
(2)15的
比一个数的4倍少12,这个数是多少?
(3)
的倒数去除9的
,商是多少?
(1)10减去6除1.5的商,所得的差乘6,积是多少?
(2)15的
| 2 |
| 3 |
(3)
| 5 |
| 9 |
| 1 |
| 2 |
(1)(10-1.5÷6)×6
=(10-0.25)×6,
=9.75×6,
=58.5;
答:积是58.5.
(2)(15×
+12)÷4
=(10+12)÷4,
=22÷4,
=
;
答:这个数是
.
(3)(9×
)÷(1÷
)
=
÷
,
=
×
,
=
.
答:商是
.
=(10-0.25)×6,
=9.75×6,
=58.5;
答:积是58.5.
(2)(15×
| 2 |
| 3 |
=(10+12)÷4,
=22÷4,
=
| 11 |
| 2 |
答:这个数是
| 11 |
| 2 |
(3)(9×
| 1 |
| 2 |
| 5 |
| 9 |
=
| 9 |
| 2 |
| 9 |
| 5 |
=
| 9 |
| 2 |
| 5 |
| 9 |
=
| 5 |
| 2 |
答:商是
| 5 |
| 2 |
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