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PHÉP CỘNG TRONG PHẠM VI 1000
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Ai tính nhanh nhất?
340 + 250 = 590 ; 710 + 180 = 890
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Ai tính nhanh nhất?
824 + 100 = 924 ; 584 + 300 = 884
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Okay!
263 + 4 = ?
263 + 4 = 267
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530 + 56 = ?
530 + 56 = 586
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Ai tính nhanh nhất?
915 + 80 = 995 ; 136 + 30 = 166
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361 + 417 = ?
361 + 417 = 778
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213 + 224 = ?
213 + 224 = 437
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Okay!
203 + 6 = ?
203 + 6 = 209
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Okay!
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