题目内容
脱式计算,能简算的要简算
×
+
÷
(0.75-
)×(
+
)
÷0.6×
×3.14×92.
| 8 |
| 21 |
| 7 |
| 9 |
| 10 |
| 21 |
| 9 |
| 7 |
(0.75-
| 3 |
| 16 |
| 2 |
| 9 |
| 1 |
| 3 |
| 18 |
| 35 |
| 2 |
| 3 |
| 1 |
| 3 |
(1)
| 8 |
| 21 |
| 7 |
| 9 |
| 10 |
| 21 |
| 9 |
| 7 |
=
| 8 |
| 21 |
| 7 |
| 9 |
| 10 |
| 21 |
| 7 |
| 9 |
=(
| 8 |
| 21 |
| 10 |
| 21 |
| 7 |
| 9 |
=
| 18 |
| 21 |
| 7 |
| 9 |
=
| 2 |
| 3 |
(2)(0.75-
| 3 |
| 16 |
| 2 |
| 9 |
| 1 |
| 3 |
=
| 9 |
| 16 |
| 5 |
| 9 |
=
| 5 |
| 16 |
(3)
| 18 |
| 35 |
| 2 |
| 3 |
=
| 6 |
| 7 |
| 2 |
| 3 |
=
| 4 |
| 7 |
(4)
| 1 |
| 3 |
=
| 1 |
| 3 |
=27×3.14,
=84.78.
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