1.
●725:5=145
●8416:8=1052
●450 000:15=30 000
4.
399×12=4788
4001×2=8002
882:6=147
3.
150×20-[3×(150+20)]=
3000-(3×170)=
3000-510=
2490
5.
●12 375 +1099-999+1001=
13 474-999+1001=
12 475 +1001=
13 476
●123 624:12×3×2:2=
10 302×3×2:2=
30 906×2:2=
61 812:2=
30 906
●1800:2+(50×2:10+90)+10-25×4=
900+(100:10+90)+10-100=
900+(10+90)+10-100=
900+100+10-100=
1000+10-100=
1010-100=
910
6.
400:40+360:30=
10+12=
22
SPER CA TE-AM AJUTAT!♡♡❤❤