题目内容
脱式计算.
16+24-18 | 78-29+32 | 63-36-29. |
分析:只有加减法的算式,按照从左到右计算的即可.
解答:解:(1)16+24-18,
=40-18,
=22;
(2)78-29+32,
=49+32,
=81;
(3)63-36-29,
=27-29,
=-2.
=40-18,
=22;
(2)78-29+32,
=49+32,
=81;
(3)63-36-29,
=27-29,
=-2.
点评:一个算式里是同一级运算,一般按从左往右依次进行计算.
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