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20 questions
Simplify.
16
4
4
2
2
Simplify.
12
32
43
62
23
Simplify completely.
32
42
28
48
162
Simplify.
70
57
62
710
70
Simplify completely.
225
1515
59
15
325
Simplify.
45
35
95
7
153
Simplify completely.
48
163
212
43
412
Simplify.
86
45
243
62
86
Simplify.
336
36
18
186
24
Simplify.
−415
−415
−203
−60
−215
Simplify completely.
7216
66
1454
426
2854
Simplify.
−354
36
−96
−276
−354
Simplify.
564
202
402
408
40
Simplify completely.
472
128
1442
368
242
Simplify.
10×10
10
10
1010
100
Simplify.
6×2
43
12
23
12
Simplify.
2×58
20
10
54
52
Simplify completely.
−210×8
−325
−420
−820
−85
Simplify.
45×25
405
40
85
205
Simplify.
−23×−6
62
182
−182
−62
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