Toán Lớp 6: 10²⁸+8 chia hết cho 9 chứng minh
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Toán Lớp 6: 10²⁸+8 chia hết cho 9 chứng minh
Comments ( 2 )
10²⁸ + 8 chia hết 9
Vì 10²⁸=10000…….0
=10000…..0+8
=1+0+0+0+…..8=9 chia hết 9
=>10²⁸+8 chia hết 9