问题
计算题
脱式计算。
|
答案
(1)原式=218+18×5
=218+90
=308
=648÷12
=54
(3)原式= 4500÷(150-120)
= 4500÷30
=150
= 480÷24
=20
(5)原式=200-(76+120)
=200-196
= 4
=6900÷5
=1380
脱式计算。
|
(1)原式=218+18×5
=218+90
=308
=648÷12
=54
(3)原式= 4500÷(150-120)
= 4500÷30
=150
= 480÷24
=20
(5)原式=200-(76+120)
=200-196
= 4
=6900÷5
=1380