x & +
2x(8+6)
=26
10÷2
=5
20-10
=10
20+20
=40
20x10
=200
2(9+7)
=32
7÷ 2
=3.5
50-10
=40
40+23
=63
50x20
=1,00
5x(5+5)
=50
8÷2
=4
89-78
=11
54+68
=122
70x80
=5,600
7x(7+6)
=91
132÷ 5
=26.4
785-435
285+42
=327
758x222
=168,276
=828
1'786÷
=893
10,289-9'299
=990
679+3,894
=4,573
1,987x3,658
=7,268,446