题目内容
列式计算.
(1)甲数的
是乙数的80%,乙数是90,甲数比乙数多多少?
(2)
的倒数加上
除
的商,和是多少?
(1)甲数的
| 3 |
| 8 |
(2)
| 5 |
| 6 |
| 2 |
| 5 |
| 2 |
| 3 |
(1)90×
÷
-90,
=72÷
-90,
=192-90,
=102;
答:甲数比乙数多102.
(2)
的倒数是
+
÷
,
=
+
,
=
;
答:和是
.
| 4 |
| 5 |
| 3 |
| 8 |
=72÷
| 3 |
| 8 |
=192-90,
=102;
答:甲数比乙数多102.
(2)
| 5 |
| 6 |
| 6 |
| 5 |
| 6 |
| 5 |
| 2 |
| 3 |
| 2 |
| 5 |
=
| 6 |
| 5 |
| 5 |
| 3 |
=
| 43 |
| 15 |
答:和是
| 43 |
| 15 |
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