问题
填空题
马小虎在计算“800-□÷5”时,先算减法,后算除法,得到的结果是40.这道题的正确得数是______.
答案
800-□=40×5,
800-□=200,
□=800-200,
□=600;
800-□÷5,
=800-600÷5,
=800-120,
=680.
答:正确的计算结果是680.
故答案为:680.
马小虎在计算“800-□÷5”时,先算减法,后算除法,得到的结果是40.这道题的正确得数是______.
800-□=40×5,
800-□=200,
□=800-200,
□=600;
800-□÷5,
=800-600÷5,
=800-120,
=680.
答:正确的计算结果是680.
故答案为:680.