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负128.69加正13.02加负26.15和4分之7加负3分之22加负6分之5等与多少?

阳光不锈23 1年前 已收到2个回答 我来回答 举报

百花园林 幼苗

共回答了22个问题采纳率:86.4% 向TA提问 举报

1.-128.69+13.02+(-26.15)
= 13.02-128.69-26.15
= 13.02-(128.69+26.15)
= 13.02-154.84
= -141.82
2.7/4+(-22/3)+(-5/6)
= 21/12-88/12-10/12
= - 67/12-10/12
= - 77/12
注:不好意思,因为我不会打平常书中的分号,所以麻烦你在看解答的时候用笔转化成平常习惯的写法,这样有助于理解解答过程.

1年前

1

泰坦之箭 幼苗

共回答了1个问题 向TA提问 举报

141.82和-6.418

1年前

1
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