题目内容
简算题
(1)333
×3
(2)6.75×6
+6.8×2
+6
(3)(5
×6.54+6.54×4
)÷
×80%.
(1)333
| 1 |
| 3 |
(2)6.75×6
| 4 |
| 5 |
| 1 |
| 4 |
| 4 |
| 5 |
(3)(5
| 12 |
| 17 |
| 5 |
| 17 |
| 3 |
| 5 |
(1)333
×3,
=
×3,
=1000;
(2)6.75×6
+6.8×2
+6
,
=6.75×6.8+6.8×2.25+6.8,
=(6.75+2.25+1)×6.8,
=10×6.8,
=68;
(3)(5
×6.54+6.54×4
)÷
×80%,
=6.54×(5
+4
)×
×0.8,
=6.54×10×
×0.8,
=87.2.
| 1 |
| 3 |
=
| 1000 |
| 3 |
=1000;
(2)6.75×6
| 4 |
| 5 |
| 1 |
| 4 |
| 4 |
| 5 |
=6.75×6.8+6.8×2.25+6.8,
=(6.75+2.25+1)×6.8,
=10×6.8,
=68;
(3)(5
| 12 |
| 17 |
| 5 |
| 17 |
| 3 |
| 5 |
=6.54×(5
| 12 |
| 17 |
| 5 |
| 17 |
| 5 |
| 3 |
=6.54×10×
| 5 |
| 3 |
=87.2.
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