6.8乘以10.7-7乘以0.68的简便运算
6.8乘以10.7-7乘以0.68的简便运算
(8.4乘以25乘以63%)除以(84乘以5乘以0.9)的简便运算?
3.6乘以0.56加上0.64乘以5.6的简便运算
0.125乘以3.2乘以0.5的简便运算
0.26乘以9.8减0.74乘以0.2的简便运算、
0.3333乘以23加0.1111乘以31的简便运算
4.5乘以3.6加上5.2乘以0.35的简便运算
6.38乘以7.2加上63.8乘以0.72的简便运算
2009乘以2009减2010乘以2008的简便运算
350乘以48减去35乘以80的简便运算
65乘以15加15乘以32的简便运算
87乘以17.4减去8.7乘以7.4的简便运算