312 :
4 *
9 −
480 :
16 *
5 =
78 *
9 −
30 *
5 =
702 −
150 =
552
1)
$\snippet{name: long_division, x: 312, y: 4}$
;
2)
$\snippet{name: column_multiplication, x: 72, y: 9}$
;
3)
$\snippet{name: long_division, x: 480, y: 16}$
;
4)
30 *
5 =
1504;
5)
$\snippet{name: op_column, sign: '-', x: '702', y: '150', z: '552'}$
.
900 :
5 :
4 +
117 *
7 :
3 =
180 :
4 +
819 :
3 =
45 +
273 =
318
1)
$\snippet{name: long_division, x: 900, y: 5}$
;
2)
$\snippet{name: long_division, x: 180, y: 4}$
;
3)
$\snippet{name: column_multiplication, x: 117, y: 7}$
;
4)
$\snippet{name: long_division, x: 819, y: 3}$
;
5)
$\snippet{name: op_column, sign: '+', x: '45', y: '273', z: '318'}$
.
12000 − (
18 *
54 +
1048) =
12000 − (
972 +
1048) =
12000 −
2020 =
9980
1)
$\snippet{name: column_multiplication, x: 18, y: 54}$
;
2)
$\snippet{name: op_column, sign: '+', x: '972', y: '1048', z: '2020'}$
;
3)
$\snippet{name: op_column, sign: '-', x: '1200', y: '2020', z: '9980'}$
.
7150 −
800 * (
375 :
75) =
7150 −
800 *
5 =
7150 −
4000 =
3150
1)
$\snippet{name: long_division, x: 375, y: 75}$
;
2)
800 *
5 =
4000;
3)
7150 −
4000 =
3150.
