9000 + 400 =
5000 - 100 =
4000 - 300 =
96 - 53 =
38 - 19 =
82 - 36 =
___ + 7000 = 7060
___ + 60 = 8060
20 + ___ = 80
43 + 32 =
57 - 44 =
52 + 11 =
160 ÷ (5 × 4)=
252 ÷ (6 × 7)=
448 ÷ (8 × 7)=
86 - 34 - __ = 36
__ - 54 + 16 = 48
91 + 13 + __ = 115
640 - 514 + __ = 274
__ + 783 + 79 = 971
515 - 347 + __ = 532
7457 - 1595 - 1260 - 3633=
8629 - 1729 - 1093 - 2109=
7199 - 2364 - 1257 - 1072=
26 + 8 =
66 + 5 =
47 + 6 =
58 ÷ 4 =
72 ÷ 5 =
80 ÷ 9 =
8 × 31 × 35=
4 × 20 × 25=
4 × 14 × 35=
36 + 23 =
17 + 77 =
17 + 27 =
81 - 11 - 64=
94 - 46 - 19=
11 + 19 + 26=
19 + 34 + 45=
27 - 17 + 40=
54 - 29 + 53=
1 + 5 =
5 + 4 =
7 + 2 =
616 ÷ (385 ÷ 55)=
612 × 882 ÷ 98=
64 × 208 ÷ 52=
4 + __ + 1 = 12
2 + 5 + __ = 13
1 + 3 + __ = 19
3 4 × 1 7 =
5 6 × 1 6 =
2 × (6 - 0.44)=
4 × (6 - 0.29)=
2.28 × (6.97 - 4)=
26 × 2 =
52 × 7 =
79 × 7 =
2 5 + 82 + 6 8 =
4 9 + 39 - 1 3 =
697 + (205 - 202)=
498 - (205 - 103)=
497 - (205 + 202)=
9 - __ = 4
2 + __ = 6
__ - 16 = 2
72 + 8 =
29 + 9 =
28 + 7 =
5 × 4 × 2=
29 - 95 + 90=
4 × 2 × 9=
50 - 11 =
41 - 26 =
23 - 17 =
2888 + 1738 + 2246=
1397 + 6058 + 2171=
3399 + 1933 + 4085=
__ + 519 - 541 = 116
__ - 862 + 640 = 432
418 + 658 - __ = 134
__ + 35 = 96
52 + __ = 99
54 + __ = 78
7702 - 908 =
1530 - 988 =
9106 - 3686 =
3 8 + 4 8 + 7 8 =
5 7 + 1 7 + 3 7 =
865 ÷ 4 ≈
347 ÷ 6 ≈
252 ÷ 4 ≈