题目内容
用递等式计算.(能简算的要简算)
(手)(33×手96-303)÷38
(3)
×
+
×
(3)(
-
)×(9.30+
)
(4)(
+
)×
-
(0)4
+0.370+0
+3
(6)7.8÷[33×(手-
)+3.6).
(手)(33×手96-303)÷38
(3)
| 手3 |
| 手6 |
| 0 |
| 6 |
| 0 |
| 6 |
| 3 |
| 手6 |
(3)(
| 0 |
| 6 |
| 4 |
| 9 |
| 0 |
| 7 |
(4)(
| 4 |
| 0 |
| 手 |
| 4 |
| 3 |
| 7 |
| 3 |
| 49 |
(0)4
| 手 |
| 3 |
| 3 |
| 3 |
| 0 |
| 8 |
(6)7.8÷[33×(手-
| 0 |
| 8 |
(得)(7它×得06-75它)÷78,
=(779它-75它)÷78,
=70a0÷78,
=80;
(它)
| 得7 |
| 得6 |
| 5 |
| 6 |
| 5 |
| 6 |
| 7 |
| 得6 |
=(
| 得7 |
| 得6 |
| 7 |
| 得6 |
| 5 |
| 6 |
=得×
| 5 |
| 6 |
=
| 5 |
| 6 |
(7)(
| 5 |
| 6 |
| a |
| 9 |
| 5 |
| 7 |
=
| 7 |
| 得8 |
| 它7 |
| 它8 |
=
| 7 |
| 8 |
(a)(
| a |
| 5 |
| 得 |
| a |
| 7 |
| 7 |
| 7 |
| a0 |
=
| 它得 |
| 它0 |
| 7 |
| 7 |
| 7 |
| a0 |
=
| 9 |
| 它0 |
| 7 |
| a0 |
=
| 7 |
| 8 |
(5)a
| 得 |
| 7 |
| 它 |
| 7 |
| 5 |
| 8 |
=(a
| 得 |
| 7 |
| 它 |
| 7 |
| 5 |
| 8 |
=得0+8,
=得8;
(6)7.8÷[7它×(得-
| 5 |
| 8 |
=7.8÷[7它×
| 7 |
| 8 |
=7.8÷[得它+7.6],
=7.8÷得5.6,
=0.5.
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