问题
解答题
脱式计算
|
答案
(1)32×46-59,
=1472-59,
=1413;
(2)38×(62+17),
=38×79,
=3002;
(3)320+80×5,
=320+400,
=720;
(4)25×12÷6,
=300÷6,
=50.
脱式计算
|
(1)32×46-59,
=1472-59,
=1413;
(2)38×(62+17),
=38×79,
=3002;
(3)320+80×5,
=320+400,
=720;
(4)25×12÷6,
=300÷6,
=50.