题目内容

做表中的乘法题,尽可能灵活地计算.

答案:98,0.98,9.8,0.098;5.6,0.056,0.56,0.0056;50.4,0.504,5.04,0.0504;148.4,1.484,14.84,0.1484;302.4,3.024,30.24,0.3024
解析:

(1)980.989.80.098

(2)5.60.0560.560.0056

(3)50.40.5045.040.0504

(4)148.41.48414.840.1484

(5)302.43.02430.240.3024


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