问题
解答题
计算(20分=4×3分+2×4分,带△的要验算)
|
答案
(1)306×5=1530;
(2)576÷8=72;
(3)814÷4=203…2;
(4)(60+80)÷7,
=140÷7,
=20;
(5)894-60×3,
=894-180,
=715;
(6)6×29×5,
=(6×5)×29,
=30×29,
=870.
计算(20分=4×3分+2×4分,带△的要验算)
|
(1)306×5=1530;
(2)576÷8=72;
(3)814÷4=203…2;
(4)(60+80)÷7,
=140÷7,
=20;
(5)894-60×3,
=894-180,
=715;
(6)6×29×5,
=(6×5)×29,
=30×29,
=870.