8.37-(5.2-1.63)
=8.37-5.2+1.63
=10-5.2
=4.8
8.37-(5.2-1.63)=(8.37+1.63)-5.2=10-5.2=4.8
8.37-(5.2-1.63)
=8.37-5.2+1.63
=8.37+1.63-5.2
=10-5.2
=4.8
把括号打开,先计算8.37+1.63,这样计算比较简便:8.37-(5.2-1.63)=8.37+1.63-5.2=10-5.2=4.8
简算如下,8.37-(5.2-1.63)=(8.37+1.63)-5.2=10-5.2=4.8