adding
12345+3456
15,801
1638+1122=3434
False
Round 162,964
160,000
1736+2648+2467
6851
56,892-47,962=
8930
543+1234
1777
1234+1234=2468
true
Round 233,555,458
233,560,000
126+456-345
237
100,900,876-176,945=
100,723,931
1924+1155
3079
1,212,324+1234=1,213,558
True
Round 38,173,442
38,170,000
12345+12345+12345
37,035
149,000,965-123,888=
148,877,077
1212+4523
5735
1325+345+124=2332322
False
Round 336,776,588
336,780,000
1233+765+667
2665
100,000,000-545
99,999,455
111,332,456+321,975,321
433,307,777
12345x3=37,035
True
Round 344,543,455
344,540,000
123+123+321
567
999,999,879-575,878,476=
424,121,403