来自罗德荣的问题
判断下面4道题,()题是运算正确的.A.(198+102)÷25×4=300÷100=3B.25×(40+8)=25×40+8=1000+8=1008C.375-(75+163)=375-75-163=300-163=137D.360-(170+190)÷40=360-360÷40=0÷40=0
判断下面4道题,()题是运算正确的.
A.(198+102)÷25×4
=300÷100
=3
B.25×(40+8)
=25×40+8
=1000+8
=1008
C.375-(75+163)
=375-75-163
=300-163
=137
D.360-(170+190)÷40
=360-360÷40
=0÷40
=0
1回答
2020-06-08 01:08