求49+49×49的简便计算
问题描述:
求49+49×49的简便计算
答
49+49×49
=49×(1+49)
=49×50
=49×100÷2
=2450
求49+49×49的简便计算
49+49×49
=49×(1+49)
=49×50
=49×100÷2
=2450