作业帮1.25×68.275＋125×3.7826+1250×0.053465的简便运算
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/24 21:04:05
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1.25×68.275＋125×3.7826+1250×0.053465的简便运算
1.25×68.275＋125×3.7826+1250×0.053465的简便运算
1.25×68.275＋125×3.7826+1250×0.053465的简便运算
1.25×68.275＋125×3.7826+1250×0.053465
=125×（0.68275+3.7826+0.53465）
=125×5
=625
1.25×68.275＋125×3.7826+1250×0.053465
=1.25×68.275+1.25×378.26+1.25×53.465)
=1.25×(68.275+53.465+378.26)
=1.25×500
=625
原式＝1.25×68.275＋1.25×378.26＋1.25×53.465
＝1.25×﹙68.275＋378.26＋53.465﹚
＝1.25×500
＝125×5
＝625
1.25×68.275＋125×3.7826+1250×0.053465=1.25×68.275＋1.25×100×3.7826+1.25×1000×0.053465=1.25×(68.275＋100×3.7826+1000×0.053465)=1.25×(68.275＋378.26＋53.465)=1.25×500=625
1.25×68.275＋125×3.7826+1250×0.053465的简便运算
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