问题
解答题
|
答案
(1)60+55×2
=60+110
=170;
(2)90-90÷5
=90-18
=72;
(3)720÷8×9
=90×9
=810;
(4)18×(100-72)
=18×28
=504;
(5)(85+67)÷38
=152÷38
=4;
(6)200-(48-29)
=200-19
=181.
|
(1)60+55×2
=60+110
=170;
(2)90-90÷5
=90-18
=72;
(3)720÷8×9
=90×9
=810;
(4)18×(100-72)
=18×28
=504;
(5)(85+67)÷38
=152÷38
=4;
(6)200-(48-29)
=200-19
=181.