题目内容
列式计算.
(1)9.8的1.5倍比一个数的50%少2.4,这个数是多少?
(2)
除以
的商是除2乘
的积,商是多少?
(1)9.8的1.5倍比一个数的50%少2.4,这个数是多少?
(2)
| 2 |
| 3 |
| 4 |
| 9 |
| 4 |
| 5 |
(1)(9.8×1.5+2.4)÷50%,
=(14.7+2.4)÷50%,
=17.1÷50%,
=34.2;
答:这个数是34.2.
(2)(2×
)÷(
÷
),
=
÷
,
=
;
答:商是
.
=(14.7+2.4)÷50%,
=17.1÷50%,
=34.2;
答:这个数是34.2.
(2)(2×
| 4 |
| 5 |
| 2 |
| 3 |
| 4 |
| 9 |
=
| 8 |
| 5 |
| 3 |
| 2 |
=
| 16 |
| 15 |
答:商是
| 16 |
| 15 |
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