递等式计算能巧算的要巧算1道
问题描述:
递等式计算能巧算的要巧算1道
1.28×0.35
答
=1.28*0.5*0.7 =0.64*0.7 =0.448.
递等式计算能巧算的要巧算1道
1.28×0.35
=1.28*0.5*0.7 =0.64*0.7 =0.448.