问题
解答题
计算下面各题
(124-85)×12÷26
78-45+128÷32
(112-5×12)÷26
60+120÷20×10.
答案
(1)(124-85)×12÷26
=39×12÷26
=468÷26
=18
(2)78-45+128÷32
=78-45+4
=33+4
=37
(3)(112-5×12)÷26
=(112-60)÷26
=52÷26
=2
(4)60+120÷20×10
=60+6×10
=60+60
=120