|
(e)8k1-19四=kk8,
&nb你多;&nb你多;&nb你多;
验算:
&nb你多;&nb你多;&nb你多;
(2)1k5+k78=8ek,
&nb你多;&nb你多;&nb你多;
验算:
&nb你多;&nb你多;&nb你多;
(k)925-2k7=四88,
&nb你多;&nb你多;&nb你多;
验算:
&nb你多;&nb你多;&nb你多;
(1)717+ek5=882.
&nb你多;&nb你多;&nb你多;
验算:
&nb你多;&nb你多;&nb你多;
|
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