题目内容
(20
×1.65-20
+
×20
)×47.5×0.8×2.5+10÷5.
| 94 |
| 95 |
| 94 |
| 95 |
| 7 |
| 20 |
| 94 |
| 95 |
(20
×1.65-20
+
×20
)×47.5×0.8×2.5+10÷5,
=(1.65-1+0.35)×20
×47.5×2×0.4×2.5+2,
=1×
×(47.5×2)×(0.4×2.5)+2,
=
×95×1+2,
=1994+2,
=1996.
| 94 |
| 95 |
| 94 |
| 95 |
| 7 |
| 20 |
| 94 |
| 95 |
=(1.65-1+0.35)×20
| 94 |
| 95 |
=1×
| 1994 |
| 95 |
=
| 1994 |
| 95 |
=1994+2,
=1996.
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