= 43
cho vai cai tick nhaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
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= 43
cho vai cai tick nhaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
10 x 23 + 20 x 23 + 70 x 23
20 - 20 + 90 + 19 + 23 + 10 - 138 = ?
23+2-3+8+20=?
20+23+47+80+10+?
23*20=?
Các bn hãy tính nhẩm nha
20 - 16 = .....
23 - 13=......
12 - 7 = ....
12 - 6 = ......
6 - 6 = ......
23 - 20 = ....
32 +20 = 51-20 = 12 + 31 = 23 - 12 =
20+21+22+23+24+25+26+27+28+29+30=?
ai nhanh mk tick cho nhớ kb với mk nha