Question

1 Oblicz w pamięci
72-57=
245+27=
34+608=
135-40=
150-92=
1300+4800=
1900+8200=
7300-5200=
8100-1600=
2 Oblicz
4*17=
28*3=
51/3=
96/6=
30*8=
6*30=
140/10=
240/6=
500*130=
3600/400=
6300/90=
3 Uzupelnij
47/5= r
193/ =10r3
34/ =5 r
179/ =25 r
4 Oblicz
4*(12-6)=
8*5-3*5=
(150-60)*3=
5*70+602=

Answer 1

72-57=15
245+27=272
34+608=642
135-40=95
150-92=60
1300+4800=6100
1900+8200=10 100
7300-5200=2100
8100-1600=6500
2 Oblicz
4*17=68
28*3=84
51/3=17
96/6=16
30*8=240
6*30=180
140/10=14
240/6=40
500*130=65000
3600/400=9
6300/90=90
3 Uzupelnij
47/5= 9 r 4
193/   =10r3
34/   =5 r (6)
179/   =25  r
4 Oblicz
4*(12-6)=24
8*5-3*5=185
(150-60)*3=270
5*70+602=952