新课标版四年级下册四则运算的应用练习(十一)(2)
网络资源
2019-05-13 20:29:31
2. 50×(15+25)-132
=50×40-132
=2000-132
=1868
(101-20)÷(18÷2)
=81÷9
=9
2. 50×(15+25)-132
=50×40-132
=2000-132
=1868
(101-20)÷(18÷2)
=81÷9
=9