题目内容
0.23×0.8=
0.184
0.184
，得数保留两位小数约是0.18
0.18
．分析：本题先要据小数乘法的计算法则计算出0.23×0.8的积是多少，然后据四舍五入的原则得出保留两位小数后约是多少．
解答：解：0.23×0.8=0.184≈0.18．
故答案为：0.184，0.18．
故答案为：0.184，0.18．
点评：在求的近似值的时候一般据四舍五入的原则取值．
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