|
1.
306 – 20 =
286
2
|
2.
328 + 80 =
2
408
|
3.
650 + 90 =
740
2
|
4.
264 + 10 =
2
274
|
|
5.
796 – 10 =
2
786
|
6.
140 – 60 =
2
80
|
7.
448 – 60 =
388
2
|
8.
330 + 40 =
2
370
|
|
9.
322 – 30 =
292
2
|
10.
143 + 30 =
173
2
|
11.
807 – 70 =
737
2
|
12.
213 – 50 =
163
2
|
|
13.
633 – 50 =
583
2
|
14.
298 + 40 =
2
338
|
15.
104 – 90 =
1
14
|
16.
712 + 100 =
2
812
|
|
17.
979 – 30 =
2
949
|
18.
569 – 100 =
2
469
|
19.
468 – 50 =
2
418
|
20.
322 – 90 =
2
232
|
|
1.
306 – 20 =
286
2
|
2.
328 + 80 =
2
408
|
3.
650 + 90 =
740
2
|
4.
264 + 10 =
2
274
|
|
5.
796 – 10 =
2
786
|
6.
140 – 60 =
2
80
|
7.
448 – 60 =
388
2
|
8.
330 + 40 =
2
370
|
|
9.
322 – 30 =
292
2
|
10.
143 + 30 =
173
2
|
11.
807 – 70 =
737
2
|
12.
213 – 50 =
163
2
|
|
13.
633 – 50 =
583
2
|
14.
298 + 40 =
2
338
|
15.
104 – 90 =
1
14
|
16.
712 + 100 =
2
812
|
|
17.
979 – 30 =
2
949
|
18.
569 – 100 =
2
469
|
19.
468 – 50 =
2
418
|
20.
322 – 90 =
2
232
|