①100-350÷5
②156+200÷4
③(370-180)×7
④540÷6÷3
⑤123+103×6
⑥5×(240÷8)
57-13=
25+34=
16+38=
82-42=
61-27=
130-60=
900-250=
310+460=
120÷30 = 640÷80 = 360÷90 = 720÷80 =
320÷80 = 180÷30 = 100÷20 = 220÷20 =
(29+25)÷9=
4×(37-28)=
5×(36-29)=
(46+17)÷7=
81÷(16-7)=
(70-46)÷8=
(35+28)÷7=
6×(27-16)=
(25-20)×5=
(22-10)÷ 4=
36÷(12- 8)=
42÷(19-12)=
(7+8)÷5=
(14+7)÷3=
24÷(14-8)=
72-(24+13)=
27÷(15-6)=
(13-9)×8=
(19+29)÷8=
9×(11-9)=
(44-20)÷4=
8×(69-60)=
23+(49-30)=
5×(6+5)=
99-(23+22)=
(60-30)÷6=
68+(24-13)=
36÷(12-6)=
3×(18-9)=
10×(9-4)=
①200-74+ 157
②55+45×6
③256-26×6
④100-48÷6
⑤5×(120-80)
⑥45÷(35÷7)
时间(天)
0
1
2
3
4
5
生产量(吨)
70
140
210
280
350