Mental maths. Simple level exercises. Яна Малова
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9 SECTION (DOUBLE FIGURES 50+, +50)
50+26 =
15+50 =
30+50 =
50+24 =
17+50 =
23+50 =
50+13 =
47+50 =
48+50 =
50+18 =
9+50 =
41+50 =
26+50 =
50+30 =
24+50 =
50+3 =
50+41 =
20+50 =
45+50 =
50+12 =
38+50 =
50+47 =
14+50 =
39+50 =
50+35 =
50+29 =
50+17 =
50+4 =
50+5 =
50+31 =
21+50 =
50+2 =
22+50 =
50+27 =
50+11 =
50+14 =
50+37 =
16+50 =
50+7 =
46+50 =
50+9 =
2+50 =
50+28 =
50+23 =
10+50 =
50+32 =
3+50 =
50+20 =
1+50 =
28+50 =
50+15 =
29+50 =
50+33 =
8+50 =
50+43 =
12+50 =
44+50 =
11+50 =
50+44 =
50+21 =
50+22 =
49+50 =
50+36 =
50+42 =
27+50 =
50+39 =
5+50 =
50+19 =
31+50 =
50+25 =
50+46 =
50+38 =
4+50 =
50+40 =
50+45 =
36+50 =
50+48 =
50+49 =
6+50 =
13+50 =
19+50 =
7+50 =
50+34 =
33+50 =
37+50 =
25+50 =
50+1 =
34+50 =
43+50 =
18+50 =
32+50 =
35+50 =
50+16 =
50+6 =
50+8 =
50+10 =
40+50 =
42+50 =
10 SECTION (DOUBLE FIGURES 60+, +60)
36+60 =
1+60 =
60+28 =
38+60 =
60+11 =
34+60 =
60+16 =
60+1 =
60+20 =
26+60 =
14+60 =
60+5 =
60+22 =
60+6 =
17+60 =
33+60 =
19+60 =
60+39 =
18+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 =
24+60 =
30+60 =
13+60 =
60+23 =
23+60 =
60+8 =
60+18 =
25+60 =
60+17 =
12+60 =
60+26 =
60+2 =
28+60 =
60+3 =
60+25 =
60+21 =
10+60 =
8+60 =
11+60 =
60+38 =
16+60 =
60+10 =
60+24 =
3+60 =
60+9 =
7+60 =
60+35 =
5+60 =
39+60 =
60+32 =
6+60 =
60+30 =
27+60 =
60+4 =
29+60 =
60+36 =
60+31 =
2+60 =
4+60 =
60+7 =
60+27 =
22+60 =
37+60 =
60+37 =
20+60 =
60+33 =
9+60 =
11 SECTION (DOUBLE FIGURES 70+, +70)
15+70 =
70+2 =
13+70 =
70+27 =
70+6 =
23+70 =
70+5 =
70+7 =
18+70 =
4+70 =
11+70 =
12+70 =
20+70 =
28+70 =
70+3 =
17+70 =
70+8 =
21+70 =
27+70 =
70+28 =
7+70 =
70+13 =
70+10 =
14+70 =
5+70 =
19+70=
70+11 =
25+70 =
70+9 =
70+22 =
70+20 =
70+12 =
70+21 =
22+70 =
29+70 =
70+24 =
3+70 =
16+70 =
70+26 =
70+4 =
26+70 =
9+70 =
70+14 =
70+15 =
70+25 =
70+16 =
10+70 =
70+29 =
1+70 =
2+70 =
6+70 =
70+18 =
8+70 =
70+1 =
70+23 =
70+17 =
24+70 =
70+19 =