Mental maths. Simple level exercises. Яна Малова
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10 SECTION (DOUBLE FIGURES 60+, +60)
60+9 =
60+11 =
34+60 =
60+16 =
60+1 =
60+20 =
24+60 =
30+60 =
13+60 =
26+60 =
14+60 =
60+12 =
32+60 =
60+13 =
21+60 =
60+14 =
60+15 =
35+60 =
60+29 =
31+60 =
60+19 =
15+60 =
60+34 =
60+23 =
23+60 =
60+8 =
60+18 =
25+60 =
60+17 =
12+60 =
60+26 =
60+24 =
3+60 =
60+25 =
60+21 =
10+60 =
8+60 =
11+60 =
60+38 =
16+60 =
60+10 =
7+60 =
60+35 =
5+60 =
39+60 =
60+32 =
6+60 =
60+30 =
27+60 =
60+4 =
29+60 =
60+36 =
36+60 =
1+60 =
60+28 =
38+60 =
60+31 =
2+60 =
4+60 =
60+7 =
60+2 =
28+60 =
60+3 =
60+5 =
60+22 =
60+6 =
17+60 =
33+60 =
19+60 =
60+39 =
18+60 =
60+27 =
60+37 =
20+60 =
60+33 =
9+60 =
22+60 =
37+60 =
11 SECTION (DOUBLE FIGURES 70+, +70)
70+6 =
23+70 =
70+5 =
70+7 =
70+9 =
70+22 =
70+20 =
18+70 =
4+70 =
11+70 =
70+3 =
17+70 =
70+8 =
70+10 =
14+70 =
5+70 =
19+70=
70+11 =
25+70 =
70+12 =
70+21 =
22+70 =
70+26 =
13+70 =
70+27 =
70+29 =
1+70 =
2+70 =
6+70 =
70+18 =
8+70 =
70+4 =
15+70 =
70+2 =
26+70 =
9+70 =
70+14 =
70+15 =
70+25 =
70+16 =
10+70 =
70+1 =
70+23 =
12+70 =
20+70 =
28+70 =
29+70 =
70+24 =
3+70 =
16+70 =
21+70 =
27+70 =
70+28 =
7+70 =
70+13 =
70+17 =
24+70 =
70+19 =