三、观察物体（一）
★单元练习4
建议用时:7分钟
实际用时:分钟
360+40-70 =
900-300-600 =
37÷4 =
53+17+400 =
700-400+600 =
28÷8 =
270+40+400 =
900-300+1000 =
16÷5 =
40+600-30 =
250+50+1000 =
21÷7 =
76-38-20 =
5700+300-4000 =
42÷6 =
270+60+300 =
2100+600-300 =
82÷9 =
70+26-14 =
900-600+300 =
45÷5 =
370-30-40 =
870-400-40 =
38÷6 =
37+40+12 =
600+400+200 =
52÷7 =
18+20+36 =
900-600+300 =
65÷9 =
90-40+60 =
600-200+40 =
34÷6 =
60-40+200 =
1200+400-300 =
24÷4 =
100-50-40 =
370-60+400 =
32÷7 =
800-400+400 =
200-100+700 =
13÷3 =
200+40+40 =
120+600-200 =
25÷5 =

360+40-70 = 330
900-300-600 = 0
37÷4 = 9……1
53+17+400 = 470
700-400+600 = 900
28÷8 = 3……4
270+40+400 = 710
900-300+1000 = 1600
16÷5 = 3……1
40+600-30 = 610
250+50+1000 = 1300
21÷7 = 3
76-38-20 = 18
5700+300-4000 = 2000
42÷6 = 7
270+60+300 = 630
2100+600-300 = 2400
82÷9 = 9……1
70+26-14 = 82
900-600+300 = 600
45÷5 = 9
370-30-40 = 300
870-400-40 = 430
38÷6 = 6……2
37+40+12 = 89
600+400+200 = 1200
52÷7 = 7……3
18+20+36 = 74
900-600+300 = 600
65÷9 = 7……2
90-40+60 = 110
600-200+40 = 440
34÷6 = 5……4
60-40+200 = 220
1200+400-300 = 1300
24÷4 = 6
100-50-40 = 10
370-60+400 = 710
32÷7 = 4……4
800-400+400 = 800
200-100+700 = 800
13÷3 = 4……1
200+40+40 = 280
120+600-200 = 520
25÷5 = 5

拓展园地
如果轩轩给明明9块巧克力，那么两人的巧克力数量相等。
轩轩比明明多多少块巧克力？

18块