问题
解答题
脱式计算.
|
答案
(1)16×7×9,
=112×9,
=1008;
(2)(24+56)×7,
=80×7,
=560;
(3)568+56÷7,
=568+8,
=576;
(4)143-8×8,
=143-64,
=79.
脱式计算.
|
(1)16×7×9,
=112×9,
=1008;
(2)(24+56)×7,
=80×7,
=560;
(3)568+56÷7,
=568+8,
=576;
(4)143-8×8,
=143-64,
=79.