列式计算(1)1007除以17与36的和,再减去10,得多少?(2)309减去189的差除4800,再乘以77,积是多少

2025-06-25 21:25:14
推荐回答(1个)
回答1:

(1)1007÷(17+36)-10
=1007÷53-10
=19-10
=9;
答:得9.

(2)4800÷(309-189)×77
=4800÷120×77
=40×77
=3080;
答:积是3080.