找规律填得数.
12.34×9=111.06
12.34×18=222.12
12.34×27=333.18
12.34×36=________
12.34×45=________
12.34×54=________.
444.24 555.30 666.36
分析:根据积的变化规律,一个因数不变,另一因数扩大或缩小多少倍(0除外),积也会随之扩大或缩小相同的倍数,据此解答即可得到答案.
解答:因为:
12.34×9=111.06,
12.34×18=222.12,
12.34×27=333.18,
所以12.34×(4×9)=444.24,
12.34×(5×9)=555.30,
12.34×(6×9)=666.36,
故答案为:444.24,555,30,666.36.
点评:此题主要考查的是积的变化规律的灵活应用.