8.27考试问题

=(8.27+1.73)+(5.84+2.16),

=10+8,

=18.

(2)18.51-9.08-0.92,

=18.51-(9.08+0.92),

=18.51-10,

=8.51.

(3)528÷6×5-432,

=88×5-432,

=440-432,

=8.

(4)282×5+18×5,

=(282+18)×5,

=300×5,

=1500.

(5)75+360÷20+15,

=75+18+15,

=(75+15)+18,

=90+18,

=108.

(6)(641-341)÷25×4,

=300÷25×4,

=12×4,

=48.