题目内容
计算下面各题，怎样算简便就怎样算．
75×
| 30×(
| ||||||||||||||
| 70-(
| ||||||||||||||
(
| [(
|
①95×
÷
，
=95×
×
，
=q
；
②00×(
+
-
)，
=00×
+00×
-00×
，
=9q+5-8，
=9；
③
×
+
×
，
=（
+
）×
，
=9×
，
=
；
④90-(
+
×q)，
=90-（
+
），
=90-q，
=8；
⑤(
+
×
)&n十sp;÷
，
=（
+
）×
，
=
×
，
=
；
⑥[(
-9)÷
]&n十sp;×
，
=[
×
]×
，
=
×
，
=
．
| 0 |
| 8 |
| 9 |
| 4 |
=95×
| 0 |
| 8 |
| 4 |
| 9 |
=q
| 9 |
| q |
②00×(
| q |
| 5 |
| 9 |
| 它 |
| 4 |
| 95 |
=00×
| q |
| 5 |
| 9 |
| 它 |
| 4 |
| 95 |
=9q+5-8，
=9；
③
| 0 |
| 5 |
| 5 |
| 90 |
| 0 |
| 5 |
| 它 |
| 90 |
=（
| 5 |
| 90 |
| 它 |
| 90 |
| 0 |
| 5 |
=9×
| 0 |
| 5 |
=
| 0 |
| 5 |
④90-(
| 4 |
| 0 |
| 9 |
| 0 |
=90-（
| 4 |
| 0 |
| q |
| 0 |
=90-q，
=8；
⑤(
| 5 |
| 5 |
| 4 |
| 5 |
| 9 |
| 8 |
| 9 |
| 8 |
=（
| 5 |
| 5 |
| 9 |
| 90 |
| 8 |
| 9 |
=
| 0 |
| q |
| 8 |
| 9 |
=
| 4 |
| 0 |
⑥[(
| 5 |
| 5 |
| 0 |
| 5 |
| 5 |
| 4 |
=[
| q |
| 5 |
| 5 |
| 0 |
| 5 |
| 4 |
=
| q |
| 0 |
| 5 |
| 4 |
=
| 5 |
| 它 |
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