frequal.com Math Worksheet: Level 15
8,450,509
+
4,991,158
8,571,059
-
484,211
86,281
x
12,928
4
9
+
7
18
=
100
=
XXXIV =
-5
+
5
0
x
2
8,732,311
+
3,914,498
4,828,589
-
2,732,051
13,266
x
7,730
1
3
+
2
6
=
100
=
XIII =
-5
+
9
0
x
2
9,047,308
+
7,787,358
9,150,347
-
8,068,041
68,904
x
39,741
5
8
+
4
16
=
4
=
XXXVI =
-4
+
6
-1
x
3
8,531,039
+
2,233,879
6,658,004
-
6,163,456
72,920
x
16,645
4
7
+
0
14
=
0
=
XCVII =
-6
+
3
-2
x
2
9,392,670
+
8,562,384
8,037,800
-
763,465
82,588
x
34,155
2
9
+
7
18
=
9
=
LIV =
-2
+
4
-1
x
1
9,884,183
+
5,419,368
3,001,278
-
390,773
54,659
x
13,167
1
3
+
0
6
=
36
=
XXI =
-3
+
1
-1
x
1
7,791,808
+
813,305
9,423,055
-
521,771
75,537
x
46,286
4
9
+
8
18
=
81
=
LXXIV =
-6
+
1
-3
x
2
6,308,751
+
5,739,536
3,451,845
-
936,031
50,505
x
39,677
6
9
+
3
18
=
25
=
LXI =
-4
+
5
-3
x
1
9,986,539
+
2,707,471
9,176,451
-
3,051,271
20,464
x
6,327
5
6
+
3
12
=
0
=
VI =
-6
+
3
0
x
2