55 - 26 =29
38 - 23 =15
20 - 11 =9
11 - 8 =3
39 - 12 =27
59 - 19 =40
tick nha
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Các câu hỏi tương tự
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50.
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27=.................................
69339:3=....... 16547:2=......... 86428:4=........ 16547:2=....... 25837:3=......
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+36+37+38+39+40=
tính nhanh: 1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29=?
(nhớ la phải trình bày ra đó)
1+2+3+4+5+6+7+7+8+9+10+11+12+13+14+45+15+16+17+18+19+20+21-56+56+48+52+78+84+54+2545+455+1454+1256-23+56+586=
11+10 19-9
19+2 12-11
20+11 30-11
Tìm số tiếp theo:
2, 3, 4, 7, 6, 11, 8, 15, 10, 19, 12, 23, 14, ...
Tìm ..., ai đúng được tick!
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20=?