0.59乘9.8简便运算!
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0.59乘9.8简便运算!
0.59乘9.8
=0.59×(10-0.2)
=0.59×10-0.59×0.2
=5.9-0.118
=5.782
0.59*10-0.2*0.59
0.59乘9.8简便运算!
0.59乘9.8
=0.59×(10-0.2)
=0.59×10-0.59×0.2
=5.9-0.118
=5.782
0.59*10-0.2*0.59