4.1+1/2+(-1/4)+(-10.1)+6
=4.1+1/2-1/4-101/10+6 (去括号)
=4.1+6+1/2-1/4-101/10
=10.1-101/10+1/2-1/4
=1/2-4/1
=1/4
运用简便运算,十分容易哦.:)
4.1+1/2+(-1/4)+(-10.1)+6
=4.1+1/2-1/4-101/10+6 (去括号)
=4.1+6+1/2-1/4-101/10
=10.1-101/10+1/2-1/4
=1/2-4/1
=1/4
运用简便运算,十分容易哦.:)