题目内容
(20个0?河北区)脱式计算.
| (个)24×个5+640÷80 | (2)4.56÷个.2-7×0.4 | ||||||||||||
(0)
| (4)26÷[个+(
|
(左)s4×左5+64大÷8大,
=36大+8,
=368;
(s)4.56÷左.s-7×大.4,
=3.8-s.8,
=左;
(3)
×(
-
)+
,
=
×
+
,
=
+
,
=
;
(4)s6÷[左+(
-
)],
=s6÷[左+
],
=s6÷
,
=左6.
=36大+8,
=368;
(s)4.56÷左.s-7×大.4,
=3.8-s.8,
=左;
(3)
| 5 |
| 8 |
| 左 |
| 3 |
| 左 |
| 5 |
| s |
| 3 |
=
| 5 |
| 8 |
| s |
| 左5 |
| s |
| 3 |
=
| 左 |
| 左s |
| s |
| 3 |
=
| 3 |
| 4 |
(4)s6÷[左+(
| 3 |
| 4 |
| 左 |
| 8 |
=s6÷[左+
| 5 |
| 8 |
=s6÷
| 左3 |
| 8 |
=左6.
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