6.66÷3.71

3.71/33.761+(2/1+5/1)*(8/13-56/19)】*18.2÷(2/1+3/1+4/1)=3.71/33.761+(2/1+5/1)*(8/13-56/19)】*18.2÷(2/1

0-(-3.71)-(+17.0-(-3.71)-(+17.0-(-3.71)-(+17.0-(-3.71)-(+17.1)-(-5)=0+3.71-17.1+5=8.71-17.1=-8.390-(

能简算的要简算.9-4.8÷6×50.5（1.4×0.3+2.46）÷1.8(2.5÷2+2÷2.5)×0.43.71+3.71×7.4-8.4×3.711.2+8.8×1.2516.2÷[64.8-

3.71+37.1*1.74-8.4*3.71怎么用简便方法3.71+37.1*1.74-8.4*3.71怎么用简便方法3.71+37.1*1.74-8.4*3.71怎么用简便方法3.71*(1+1.

3.33乘以6.66简算3.33乘以6.66简算3.33乘以6.66简算3.33乘以6.66=3.33*3*2.22=（10-0.01)*2.22=22.2-2.22=19.98直接算啊这个没必要间算

2.22×9.9+6.66×6.72.22×9.9+6.66×6.72.22×9.9+6.66×6.72.22*9.9+6.66*6.7=2.22*（9.9+3*6.7）=66.6

2.22×9.9+6.66×6.2.22×9.9+6.66×6.2.22×9.9+6.66×6.原式=6.66×3.3+6.66×6.7=6.66×（3.3+6.7）=6.66×10=66.62.22

计算题（简便方法）①12.6×7.6×2.32÷1.9÷1.4÷2.9②6.66×1.2＋3.33×7.6③23.5×5.66－23.4×5.67④1.2÷﹙1.2÷2.3﹚÷﹙2.3÷3.4﹚÷﹙3

0+（-3.71）+（+1.71）+（-5）0+（-3.71）+（+1.71）+（-5）0+（-3.71）+（+1.71）+（-5）-7

9.99*7.88+3.33*6.66简算9.99*7.88+3.33*6.66简算9.99*7.88+3.33*6.66简算9.99×7.88+3.33×6.66=9.99×7.88+9.99×2.

5.55和6.66怎么估算5.55和6.66怎么估算5.55和6.66怎么估算一般可以“四舍五入”,要精确一点的就是5.5和6.5,因为是估算的话,一般数小的话只要保留到小数点后一位好了.如果数大,就

6.66*1.2+3.33*7.6简便计算6.66*1.2+3.33*7.6简便计算6.66*1.2+3.33*7.6简便计算6.66*1.2+3.33*7.6=（3.33+3.33）*1.2+3.3

简算9.99*7.78+3.33*6.66简算简算9.99*7.78+3.33*6.66简算简算9.99*7.78+3.33*6.66简算9.99*7.78+3.33*6.66=9.99*7.78+9

7.25-3.34+3.75-6.66简便计算7.25-3.34+3.75-6.66简便计算7.25-3.34+3.75-6.66简便计算（7.25+3.75）-（6.66+3.34）

6.66*1.25+2.5*33的简便运算6.66*1.25+2.5*33的简便运算6.66*1.25+2.5*33的简便运算提取1.251.25*（6.66+2*33）不懂就问哈1、0.4x（2.5

333*6.66+999*7.78怎么巧算333*6.66+999*7.78怎么巧算333*6.66+999*7.78怎么巧算333*6.66+999*7.78=333*3*2.22+999*7.78

999*7.78+333*6.66=?（要简算）999*7.78+333*6.66=?（要简算）999*7.78+333*6.66=?（要简算）999*7.78+333*6.66=999*7.78+3

999×7.78+333×6.66怎样简算999×7.78+333×6.66怎样简算999×7.78+333×6.66怎样简算提出来一个333

999乘7.78加333乘6.66999乘7.78加333乘6.66999乘7.78加333乘6.66999*7.78+333*6.66=999*7.78+333*2.22*3=999*（7.78+2

3.33*1.6+6.66*4.2怎么简便运算3.33*1.6+6.66*4.2怎么简便运算3.33*1.6+6.66*4.2怎么简便运算3.33*1.6+6.66*4.2=3.33×2×0.8+6.