作业帮脱式计算【要简算】0.83+8.3×9.9
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/09 17:46:23
脱式计算【要简算】0.83+8.3×9.9
脱式计算【要简算】
0.83+8.3×9.9
脱式计算【要简算】0.83+8.3×9.9
0.83+8.3×9.9
=0.83+0.83×99
=0.83×(1+99)
=0.83×100
=83
0.83+8.3×9.9
=8.3*0.1+8.3*9.9
=8.3(0.1+9.9)
=8.3*10
=83
0.83+8.3×9.9
=83×0.01+83×0.99
=83×（0.01+0.99）
=83×1
=83
0.83+8.3×9.9
=8.3*0.1+8.3*9.9
=8.3(0.1+9.9)
=8.3*10
=83