题目内容
用递等式计算:
130×25-480÷12
56.7-(34.5+1.23)
2340-512÷32×23.
130×25-480÷12
56.7-(34.5+1.23)
2340-512÷32×23.
(1)130×25-480÷12
=3250-40
=3210;
(2)56.7-(34.5+1.23)
=56.7-35.73
=20.97;
(3)2340-512÷32×23
=2340-16×23
=2340-368
=1972.
=3250-40
=3210;
(2)56.7-(34.5+1.23)
=56.7-35.73
=20.97;
(3)2340-512÷32×23
=2340-16×23
=2340-368
=1972.
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