问题
解答题
脱式计算.
|
答案
(1)36÷4×5,
=9×5,
=45;
(2)9×(75+15),
=9×90,
=810;
(3)25×4×6,
=100×6,
=600;
(4)128+840÷6,
=128+140,
=268;
(5)(270-198)×5,
=72×5,
=360;
(6)46-12×3,
=46-36,
=10.
脱式计算.
|
(1)36÷4×5,
=9×5,
=45;
(2)9×(75+15),
=9×90,
=810;
(3)25×4×6,
=100×6,
=600;
(4)128+840÷6,
=128+140,
=268;
(5)(270-198)×5,
=72×5,
=360;
(6)46-12×3,
=46-36,
=10.