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