问题
解答题
脱式计算下面各题.
(1)520+(3270-332)÷26
(2)1580-(720+780÷13)
答案
(1)520+(3270-332)÷26,
=520+2938÷26,
=520+113,
=633;
(2)1580-(720+780÷13),
=1580-(720+60),
=1580-780,
=800.
脱式计算下面各题.
(1)520+(3270-332)÷26
(2)1580-(720+780÷13)
(1)520+(3270-332)÷26,
=520+2938÷26,
=520+113,
=633;
(2)1580-(720+780÷13),
=1580-(720+60),
=1580-780,
=800.