2+x=100
X=98
67*2=?
=134
Husk at svare i normaletal
1+101=
6 (110)
600+500=
2
2½+4½=
7
3+3x=15
x=4
234*6=?
1404
Husk at svare i normaletal
1100+1=
13
191+345=
1
45213215+32156521=
77.396.739
7+4*2x=540
x=20
405*6773*0=?
Husk at svare i normaletal
101+101+101=
15
234+567=
9
3332132132*0*1321132113*2321313213213213*2412424234324352*1321122133213123*0*2313123212432434464534243465685443*0=
0
4+6x+2=9x
x=2
Til denne her må man bruge papir
7467579*2141=?
15.988.086.639
Husk at svare i normaletal
100101+111010=
95
123+987
3
323212*0*23123213+1*2313213123324342522354*0*1=
1
100x+100x=1.000.000
x=100
I må gerne bruge papir
345678*12345678*98765
421.492.405.807.990.260
Husk at svare i nomaletal
100101010101100101010101010101+1010101010101010010100101010010=
715.822.249
88765+43210=
9
111000111+111111010110=
111222010221