(2.3456+3.4567)*(1+3.4567)-(1+2.3456+3.4567)*3.4567怎么做?

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(2.3456+3.4567)*(1+3.4567)-(1+2.3456+3.4567)*3.4567怎么做?
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(2.3456+3.4567)*(1+3.4567)-(1+2.3456+3.4567)*3.4567怎么做?
(2.3456+3.4567)*(1+3.4567)-(1+2.3456+3.4567)*3.4567怎么做?

(2.3456+3.4567)*(1+3.4567)-(1+2.3456+3.4567)*3.4567怎么做?
计算器做- -