Question

0.65+9.9×6.5的简便计算方法？

Answer 1

0.65+9.9×6.5
=0.65×1+9.9×6.5
=6.5×0.1+9.9×6.5
=6.5×(0.1+9.9)
=6.5×10
=65

Answer 2

解：0.65+9.9X6.5=0.65+9.9X（0.65X10）=0.65X9.9X0.65X10=0.65+99X0.65=0.65X（1+99）=0.65X100=65

Answer 3

你好，根据你的题意，这道题应该这样做最简便
0.65+9.9×6.5
=0.65+（10-0.1）x6.5
=0.65+10×6.5-0.1×6.5
=0.65+65-0.65
=65
以上仅供参考，希望能对你有所帮助

Answer 4

解：0.65+9.9×6.5
=0.65+（10-0.1）x6.5
=0.65+10*6.5-0.1*6.5
=0.65+65-0.65
=65

Answer 5

您好！为您解答如下
0.65+ 9.9 x6.5
=0.65+ 9.9x10x 0.65
=0.65(1+99)
=0.65x100
=65