巧算0.44×0.6+0.11×7.6
来自: 更新日期:早些时候
~
巧算0.44×0.6+0.11×7.6视频
相关评论:13131772142:巧算(7.2-1.2×0.1)÷0.1
蔺叔丽(7.2-1.2×0.1)÷0.1 =(72×0.1-1.2×0.1)÷0.1 =72-1.2 =70.8
13131772142:1.25×4.04×2.5如何巧算
蔺叔丽图
13131772142:0.25×40.1如何巧算?
蔺叔丽0.25×40.1 =0.25×(40+0.1)=0.25×40+0.25×0.1 =10+0.025 =10.025
13131772142:巧算0.1+0.2+0.3+……+9.9+10+9.9+……+0.3+0.2+0.1
蔺叔丽0.1+0.2+0.3+……+9.9+10+9.9+……+0.3+0.2+0.1 =(0.1+9.9)+(0.2+9.8)+...(4.9+5.1)+5.0+100+(9.9+0.1)+(9.8+0.2)+...(5.1+4.9)+5.0 =49*10+5.0+10+49*10+5.0 =49*10+10+49*10+(5.0+5.0)=49*100=4900 ...
13131772142:5.04×0.5×0.2巧算
蔺叔丽=5.04×(0.5×0.2)=5.04×0.1 =0.504
13131772142:巧算2.64×9.9 0.264
蔺叔丽2.64×9.9+0.264 =2.64×(9.9+0.1)=2.64×10 =26.4
13131772142:(0.55-1.8×0.3)÷2.5×0.4可以巧算吗?
蔺叔丽不可以巧算
13131772142:4.32÷(0.1-0.1×0.1)巧算怎么写?
蔺叔丽4.32÷(0.1-0.1×0.1)=4.32÷(0.1-0.01)=4.32÷0.09 =432÷9 =48
13131772142:(9.5-9.5*0.6)0.25巧算
蔺叔丽(9.5-9.5×0.6)×0.25 =9.5×(1-0.6)×0.25 =9.5×0.4×0.25 =9.5×(0.4×0.25)=9.5×0.1 =0.95
13131772142:0.1-0.1×+(+0.1-0.1×0.1+)可以巧算吗?
蔺叔丽个问题看起来可以进行巧算,我们只需要将所有的数值代入公式进行计算即可 已知 a=0.1, b=0.1, c=0.1, d=0.1 根据公式:x=0.1-0.1 × +(0.1-0.1 × 0.1+)将数值代入,得到:x=0.1−0.1×0.1+(0.1−0.1×0.1)×0.1=0.099 所以,答案为0.099 ...
0.44×0.6+0.11×7.6巧算
=0.11×2.4+0.11+7.6
=0.11×10
=1.1
巧算0.44×0.6+0.11×7.6视频
相关评论:
蔺叔丽(7.2-1.2×0.1)÷0.1 =(72×0.1-1.2×0.1)÷0.1 =72-1.2 =70.8
蔺叔丽图
蔺叔丽0.25×40.1 =0.25×(40+0.1)=0.25×40+0.25×0.1 =10+0.025 =10.025
蔺叔丽0.1+0.2+0.3+……+9.9+10+9.9+……+0.3+0.2+0.1 =(0.1+9.9)+(0.2+9.8)+...(4.9+5.1)+5.0+100+(9.9+0.1)+(9.8+0.2)+...(5.1+4.9)+5.0 =49*10+5.0+10+49*10+5.0 =49*10+10+49*10+(5.0+5.0)=49*100=4900 ...
蔺叔丽=5.04×(0.5×0.2)=5.04×0.1 =0.504
蔺叔丽2.64×9.9+0.264 =2.64×(9.9+0.1)=2.64×10 =26.4
蔺叔丽不可以巧算
蔺叔丽4.32÷(0.1-0.1×0.1)=4.32÷(0.1-0.01)=4.32÷0.09 =432÷9 =48
蔺叔丽(9.5-9.5×0.6)×0.25 =9.5×(1-0.6)×0.25 =9.5×0.4×0.25 =9.5×(0.4×0.25)=9.5×0.1 =0.95
蔺叔丽个问题看起来可以进行巧算,我们只需要将所有的数值代入公式进行计算即可 已知 a=0.1, b=0.1, c=0.1, d=0.1 根据公式:x=0.1-0.1 × +(0.1-0.1 × 0.1+)将数值代入,得到:x=0.1−0.1×0.1+(0.1−0.1×0.1)×0.1=0.099 所以,答案为0.099 ...