问题
填空题
被减数是72,减数与差的比是7:5,减数是______,差是______.
答案
减数:72×
=42,7 7+5
差:72×
=30或72-42=30;5 7+5
答:减数是42,差是30.
故答案为:42,30.
被减数是72,减数与差的比是7:5,减数是______,差是______.
减数:72×
=42,7 7+5
差:72×
=30或72-42=30;5 7+5
答:减数是42,差是30.
故答案为:42,30.