7.23+6.84+0.84+2.77简便
7.23+6.84+0.84+2.77简便
7.23×9.8简便运算
9.75*0.84怎么简便计算?
4.28+3.76-0.84 简便运算
用简便计算 52.91-31 11/13-18 2/13 7.625+2.77+2 3/8+7.23
56.21-6.84-3.14的简便计算方法
(2.65+2.77)/(1.98-0.98)怎么简便计算
(2.65+2.77)/(1.95-0.98)怎么简便计算
7.23×4.8+0.52×73.2 简便计算
8.4*7.2+0.84*28 ,用简便方式
3.64*0.84+0.636*8.4简便运算
6.78-0.84-0.16+2.22简便计算