49乘101减49怎样简便计算?

2024-11-23 01:53:13
推荐回答(3个)
回答1:

49×101=49×100+49=4949

回答2:

69✘101-49
=(46+54)✘67
=100✘69
=6700

回答3:

49x101-49
=49x(101-1)
=49x100
=4900