| 0.333×3≈ | 0.375×0.375= | 734-298= | 24 ÷8= |
| 2.8×25+1.2×25= | 0.48× = | 1.25× ×8= | 8.2+0.54+0.46= |
| 0.333×3≈1, | 0.375×0.375=0.140625, | 734-298=436, | 24 ÷8=3 , |
| 2.8×25+1.2×25=100, | 0.48× =0.16, | 1.25× ×8=8, | 8.2+0.54+0.46=9.2. |
分析:根据小数、整数和分数加减乘除的计算方法进行计算即可.
点评:口算时,注意运算符号和数据,然后再进一步计算即可.
÷8=
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×8=
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