问题
解答题
脱式计算.
|
答案
①125×8×6,
=1000×6,
=6000;
②(47+53)÷217,
=100÷217,
=
;100 217
③125-25×4,
=125-100,
=25;
④213×(400-397),
=213×3,
=619.
脱式计算.
|
①125×8×6,
=1000×6,
=6000;
②(47+53)÷217,
=100÷217,
=
;100 217
③125-25×4,
=125-100,
=25;
④213×(400-397),
=213×3,
=619.