问题
解答题
计算下面各题.
43-12×3
50×3÷2
(38+282)÷4
180÷9-18.
答案
(1)43-12×3
=43-36
=7;
(2)50×3÷2
=150÷2
=75;
(3)(38+282)÷4
=320÷4
=80;
(4)180÷9-18
=20-18
=2.
计算下面各题.
43-12×3
50×3÷2
(38+282)÷4
180÷9-18.
(1)43-12×3
=43-36
=7;
(2)50×3÷2
=150÷2
=75;
(3)(38+282)÷4
=320÷4
=80;
(4)180÷9-18
=20-18
=2.