670 *
200 −
52800 :
40 =
134000 −
1320 =
132680
1)
$\snippet{name: column_multiplication, x: 67, y: 2}$
;
2)
$\snippet{name: long_division, x: 52800, y: 40}$
;
3)
$\snippet{name: op_column, sign: '-', x: '134000', y: '1320', z: '132680'}$
.
657450 :
90 +
83 *
600 =
7305 +
49800 =
57105
1)
$\snippet{name: long_division, x: 657450, y: 90}$
;
2)
$\snippet{name: column_multiplication, x: 83, y: 6}$
;
3)
$\snippet{name: op_column, sign: '+', x: '7305', y: '49800', z: '57105'}$
.
(
612237 −
240037) :
40 =
372200 :
40 =
9305
1)
$\snippet{name: op_column, sign: '-', x: '612237', y: '240037', z: '372200'}$
;
2)
$\snippet{name: long_division, x: 372200, y: 40}$
.
70 * (
100100 −
99800) =
70 *
300 =
21000
1)
$\snippet{name: op_column, sign: '-', x: '100100', y: '99800', z: '300'}$
;
2)
70 *
300 =
21000.
