Addition
171+31=_______
171+31= 202
138-18= ____
138-18= 120
15 x 9= _____
15 x 9= 135
52/2 = _____
52/2 = 26
3(10+8)= ____
3(10+8)= 84
50+43+20= ______
50+43+20= 113
345-68-2= ______
345-68-2= 275
47 x 15= _____
47 x 15= 705
45/9 = ____
45/9 = 5
115(45-9)= _____
115(45-9)= 4,140
160+40+12= _______
160+40+12= 212
987-322= _____
987-322= 665
208 x 22= _____
208 x 22= 4,576
345/3 = ____
345/3 = 115
180/(13-10)= _____
180/(13-10)= 60
351+75= _____
351+75= 426
876-197-115= _____
876-197-115= 564
9490 x 54 = ____
9490 x 54= 512,460
1560/15 = _____
1560/15 = 104
135 x 5 -18+2= ______
135 x 5-18+2= 659
1,201+60+15= ______
1,201+60+15= 1,276
1456-567-9= ____
1456-567-9= 880
1200 x 782= _____
1200 x 782= 938,400
1,520/20 = ____
1,520/20 = 76
1670 x 10-800= _____
1670 x 10-800= 15900