1.
477 – 147 =
2
3
330
4
|
2.
465 + 349 =
2
4
3
814
|
3.
87 + 651 =
2
738
4
3
|
4.
32 + 648 =
680
3
4
2
|
5.
246 + 416 =
662
3
4
2
|
6.
609 – 431 =
178
4
3
2
|
7.
973 + 4 =
4
977
3
2
|
8.
14 – 6 =
1
2
8
3
|
9.
619 + 88 =
707
3
2
4
|
10.
376 – 58 =
318
2
4
3
|
11.
150 + 383 =
3
533
4
2
|
12.
275 – 31 =
4
2
3
244
|
13.
66 + 711 =
2
777
3
4
|
14.
556 + 141 =
3
2
4
697
|
15.
7 + 28 =
3
4
2
35
|
16.
575 – 325 =
3
2
4
250
|
17.
145 – 91 =
54
4
2
3
|
18.
496 + 3 =
499
4
3
2
|
19.
709 – 680 =
29
2
3
4
|
20.
118 + 159 =
4
277
3
2
|
1.
477 – 147 =
2
3
330
4
|
2.
465 + 349 =
2
4
3
814
|
3.
87 + 651 =
2
738
4
3
|
4.
32 + 648 =
680
3
4
2
|
5.
246 + 416 =
662
3
4
2
|
6.
609 – 431 =
178
4
3
2
|
7.
973 + 4 =
4
977
3
2
|
8.
14 – 6 =
1
2
8
3
|
9.
619 + 88 =
707
3
2
4
|
10.
376 – 58 =
318
2
4
3
|
11.
150 + 383 =
3
533
4
2
|
12.
275 – 31 =
4
2
3
244
|
13.
66 + 711 =
2
777
3
4
|
14.
556 + 141 =
3
2
4
697
|
15.
7 + 28 =
3
4
2
35
|
16.
575 – 325 =
3
2
4
250
|
17.
145 – 91 =
54
4
2
3
|
18.
496 + 3 =
499
4
3
2
|
19.
709 – 680 =
29
2
3
4
|
20.
118 + 159 =
4
277
3
2
|