问题
填空题
20与15的和乘以它们的差,积是______.188除以12商是______,余数是8.
答案
(1)(20+15)×(20-15),
=35×5,
=175;
答:积是175.
(2)188÷12=15…8;
答:商是15.
故答案为:175,15.
20与15的和乘以它们的差,积是______.188除以12商是______,余数是8.
(1)(20+15)×(20-15),
=35×5,
=175;
答:积是175.
(2)188÷12=15…8;
答:商是15.
故答案为:175,15.