问题
填空题
小马虎在计算:“60-★×0.8”时,由于他先算“-”再算“×”,因此与正确答案结果相差______.
答案
设★为10;那么:
60-10×0.8,
=60-8,
=52;
(60-10)×0.8,
=50×0.8,
=40;
52-40=12;
答:与正确答案结果相差12.
故答案为:12.
小马虎在计算:“60-★×0.8”时,由于他先算“-”再算“×”,因此与正确答案结果相差______.
设★为10;那么:
60-10×0.8,
=60-8,
=52;
(60-10)×0.8,
=50×0.8,
=40;
52-40=12;
答:与正确答案结果相差12.
故答案为:12.