问题
解答题
脱式计算.
200-25×6
125×8×6
69÷3+209
(42+35)×6.
答案
(1)200-25×6
=200-150
=50;
(2)125×8×6
=1000×6
=6000;
(3)69÷3+209
=23+209
=232;
(4)(42+35)×6
=77×6
=462.
脱式计算.
200-25×6
125×8×6
69÷3+209
(42+35)×6.
(1)200-25×6
=200-150
=50;
(2)125×8×6
=1000×6
=6000;
(3)69÷3+209
=23+209
=232;
(4)(42+35)×6
=77×6
=462.