50×98用最简便的方法运算脱式运算

50×98用最简便的方法运算脱式运算
2025-02-25 23:40:50
推荐回答(3个)
回答1:

50x98
=50x100-50x2
=5000-100
=4900

回答2:

50x98
=50 x(100-2)
=50x100-50x2
=5000-100
=4900

回答3:

50×98
=50×100-50×2
=5000-100
=4900