题目内容
怎样算简便就怎样算
| 5.5×17.3+6.7×5.5 | 4×3.09×0.25 | 9.07-22.78÷3.4. |
(1)5.5×17.3+6.7×5.5,
=5.5×(17.3+6.7),
=5.5×24,
=132;
(2)4×3.09×0.25,
=(4×0.25)×3.09,
=1×3.09,
=3.09;
(3)9.07-22.78÷3.4,
=9.07-6.7,
=2.37.
=5.5×(17.3+6.7),
=5.5×24,
=132;
(2)4×3.09×0.25,
=(4×0.25)×3.09,
=1×3.09,
=3.09;
(3)9.07-22.78÷3.4,
=9.07-6.7,
=2.37.
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