问题
解答题
用递等式计算
360÷45×72
(600-384)×20÷36
(259+281)÷90
(1000-640)÷72.
答案
(1)360÷45×72
=8×72
=576;
(2)(600-384)×20÷36
=216×20÷36
=4320÷36
=120;
(3)(259+281)÷90
=540÷90
=6;
(4)(1000-640)÷72
=360÷72
=5.
用递等式计算
360÷45×72
(600-384)×20÷36
(259+281)÷90
(1000-640)÷72.
(1)360÷45×72
=8×72
=576;
(2)(600-384)×20÷36
=216×20÷36
=4320÷36
=120;
(3)(259+281)÷90
=540÷90
=6;
(4)(1000-640)÷72
=360÷72
=5.