Математика

1.

2.

□•4=□8
8- □ = 4
9•□=3□
7- □ = 4
4 • □ = □0
7 + □ = □1

3.

64-х=18
39 + Х = 71
х-14 = 79

4.

32+12 + 8+18=
33 + 19+17=
1+2+3+7+8+9+5+6+4=
28 + 25 + 22=

5.

18:6=
4+7=
18:2=
8:4+7=
4-6:3=
24 : 8 • 6=
18 • 0=
10-7=
43 : 1=