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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 8: Cmr: 3 mũ 75 + 2 mũ 100 chia hết cho 43

Toán Lớp 8: Cmr:
3 mũ 75 + 2 mũ 100 chia hết cho 43

Comments ( 1 )

  1. 3$^{75}$ + 2 mũ 100 chia hết cho 43
    do  43 = 40+3
    mà 3$^{75}$$\vdots$  3
    2$^{100}$ = (2$^{2}$)$^{50}$=4$^{50}$ $\vdots$ 40
    =>3$^{75}$ + 2 mũ 100 chia hết cho 43
     

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222-9+11+12:2*14+14 = ? ( )