3600/45
递等式计算(能简则简)
第1个回答 2015-03-26
=4*9*100/(5*9)
=4*20
=80
=4*20
=80
第2个回答 2015-03-26
3600÷9÷5
=400÷5
=80本回答被网友采纳
=400÷5
=80本回答被网友采纳
第3个回答 2015-03-26
80/1
第4个回答 2015-03-26
3600 / 45
=40 x 90 /45
=40x(90/45)
=40x2
=80追答
=40 x 90 /45
=40x(90/45)
=40x2
=80追答
满意望采纳
或者
3600/45
=3600/(9x5)
=(3600/9)/5
=400/5
=80