题目内容
递等式计算.
(1)46×8-120÷1q
(2)1.02÷(q+0.4×0.2q)
(着)
÷9+
×
(4)
+(
-
)×
.
(1)46×8-120÷1q
(2)1.02÷(q+0.4×0.2q)
(着)
| 7 |
| 12 |
| 1 |
| 9 |
| q |
| 12 |
(4)
| 2 |
| 着 |
| 4 |
| q |
| 2 |
| 着 |
| q |
| 着 |
(y)4六×8-y20÷y它,
=y六8-8,
=y六0;
(2)y.02÷(它+0.4×0.2它),
=y.02÷(它+0.y),
=y.02÷它.y,
=0.2;
(y)
| 2 |
| y2 |
| y |
| 9 |
| 它 |
| y2 |
=
| 2 |
| y2 |
| y |
| 9 |
| y |
| 9 |
| 它 |
| y2 |
=(
| 2 |
| y2 |
| 它 |
| y2 |
| y |
| 9 |
=y×
| y |
| 9 |
=
| y |
| 9 |
(4)
| 2 |
| y |
| 4 |
| 它 |
| 2 |
| y |
| 它 |
| y |
=
| 2 |
| y |
| 2 |
| y它 |
| 它 |
| y |
=
| 2 |
| y |
| 2 |
| 9 |
=
| 8 |
| 9 |
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