问题
解答题
25×40-678
36+64×5
300-200÷10
8×30÷6
875+125×8.
答案
(1)25×40-678
=1000-678
=322;
(2)36+64×5
=36+320
=356;
(3)300-200÷10
=300-20
=280;
(4)8×30÷6
=240÷6
=40;
(5)875+125×8
=875+1000
=1875.
25×40-678
36+64×5
300-200÷10
8×30÷6
875+125×8.
(1)25×40-678
=1000-678
=322;
(2)36+64×5
=36+320
=356;
(3)300-200÷10
=300-20
=280;
(4)8×30÷6
=240÷6
=40;
(5)875+125×8
=875+1000
=1875.