375026 + 408724 − 49678 = 783750 − 49678 = 734072
$\snippet{name: op_column, sign: '+', x: 357026, y: 408724, z: 783750}$
.
$\snippet{name: op_column, sign: '-', x: 783750, y: 49678, z: 734072}$

700000 − (50345 + 168724) = 700000 − 219069 = 480931
$\snippet{name: op_column, sign: '+', x: 50345, y: 168724, z: 219069}$
.
$\snippet{name: op_column, sign: '-', x: 700000, y: 219069, z: 480931}$

900000 − (125480 + 89256) = 900000 − 214736 = 685264
$\snippet{name: op_column, sign: '+', x: 125480, y: 89256, z: 214736}$
.
$\snippet{name: op_column, sign: '-', x: 900000, y: 214736, z: 685264}$

1700000 − (836724 + 64048) = 1700000 − 900772 = 799228
$\snippet{name: op_column, sign: '+', x: 836724, y: 64048, z: 900772}$
.
$\snippet{name: op_column, sign: '-', x: 1700000, y: 900772, z: 799228}$

1000000 − (35724 − 5928) = 1000000 − 29796 = 970204
$\snippet{name: op_column, sign: '-', x: 35724, y: 5928, z: 29796}$
.
$\snippet{name: op_column, sign: '-', x: 1000000, y: 29796, z: 970204}$