Adição
189 + 189
378
156 - 143
13
60/3
20
25 x 5
125
-9+3+12-7
what is -1
387 + 453
840
438 - 347
91
140/4
35
245 x 5
1225
(-17x-9)-(9x3)
180
2891 + 3289 + 1000
7180
7890 - 890
7000
160÷20+8
16
555 x 5
2775
51+24-15
60
3891 + 5672 + 8900 + 5489
23952
8903 - 7980
923
260÷40
6.5
(565 x 5) + 46 - 6
2865
(12x12) + 34 - 24 ÷ 4
172
5981 + 7829 + 8765 + 9865 +1623
34063
8975 - 6479 - 1000
1496
240÷40+6.5
12.5
955 x 5 + 155 x 5
5550
3x+5-4x=2x+3
x=2/3