98+98乘98+98简便运算和32乘25除125简便运算注意都是简便运算
问题描述:
98+98乘98+98简便运算和32乘25除125简便运算
注意都是简便运算
答
98*(1+98+1)
=9800
32*25/125
=32*(25/125)
=32/5
=6.4
答
98+98*98+98
=98*2+98*98
=98*(2+98)
=98*100
=9800
32*25/125
=32*(25/125)
=32/5
=6.4
答
98+98乘98+98
=98*(1+98+1)
=98*100
=9800
32乘25除125
=32*25*8/(125*8)
=64*25*4/1000
=64*100/1000
=6.4