1.1/2.2+2.2/4.4+3.3/6.6+4.4/8.8+5.5/11+6.6/13.2 简算
9.9+(1.1-2.2)+(3.3-4.4)+(5.5-6.6)+(7.7-8.8)简便计算
1.1+2.2+3.3+4.4+5.5+6.6+7.7+8.8+9.9=?用简略计算
1.1+2.2+3.3+4.4+5.5+6.6分之11+22+33+44+55+66谢谢各位大哥大姐了!
1.1+2.2+3.3+4.4+.+10000.10000
1.1+2.2+3.3+4.4.+8.8+9.9用简便方法计算
找规律 8.8 4.4 2.2 ( ) (
简算:计算0.7×13/11-6.6×3/7-2.2÷7/3+0.7×9/11+3.3×8/7
4.4.6.6等于24
巧算:2.2*0.4*1.25*2.6 1.625+2.625+3.625+…+80.625 5.5*6.6+6.6*7
5.5×6.6+6.6×7.7+7.7×8.8+8.8×9.9.
6.6乘以7.8加3.3乘以4.4,用简便方法计算
2.2x3.3+3.3x4.4+4.4x5.5 如何简便计算