(1)1÷(
1
6 +
1
9 )
=1÷
5
18 ,
=
18
5 (天);
答:
18
5 天可以完成.
(2)25.5×2-1.5+25.5
=51-1.5+25.5,
=75(吨);
答:两堆煤一共75吨.
(3)195-24×5
=195-120,
=75(个);
75÷3=25(个);
答:平均每天还要加工25个.
(4)6×(1-
2
5 )
=6×
3
5 ,
=3.6(米);
答:还剩下3.6米.
(1)1÷(
1
6 +
1
9 )
=1÷
5
18 ,
=
18
5 (天);
答:
18
5 天可以完成.
(2)25.5×2-1.5+25.5
=51-1.5+25.5,
=75(吨);
答:两堆煤一共75吨.
(3)195-24×5
=195-120,
=75(个);
75÷3=25(个);
答:平均每天还要加工25个.
(4)6×(1-
2
5 )
=6×
3
5 ,
=3.6(米);
答:还剩下3.6米.