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:2024/07/19 22:37:39
1.25×68.275+125×3.7826+1250×0.053465的简便运算
xA0D!)E.zC.\hLx&.w-PN$)b^F>q) "[v<."Ox~ov+[C9l Dhd8[Sw&K4%P(`m4F[x9ٖC_K#߫M5@~lUh'ԯ l4|uwY4Pvj7 

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