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Andreeaj20
a fost răspuns

1. Scrieti multiplii mai mici decât 41 ai urmatoarelor numere: 5, 6, 7, 4, 8, 9, 10, 11, 12.
2. Scrieti multiplii de doua cifre ai urmatoarelor numere: 20, 25, 30, 27, 13, 40, 18.
3. Scrieti multiplii mai mici decat 100 și mai mari decât 50 ai urmatoarelor numere: 24, 56, 30, 19, 27, 31.

Răspuns :

1. 5 - 5,10,15,20,25,30,35,40
    6 - 6,12,18,24,30,36
    7 - 7,14,21,28,35
    4 - 4,8,12,16,20,24,28,32,36,40
    8 - 8,16,24,32,40
    9 - 9,18,27,36
    10 - 10,20,30,40
    11 - 11,22,33
    12 - 12,24,36
2. 20 - 20,40,60,80
    25 - 25,50,75
    30 - 30,60,90
    27 - 27,54,81
    13 - 13,26,39,52,65,78,91
    40 - 40,80
    18 - 18,36,54,72,90
3. 24 - 72,96
    56 - 56
    30 - 60,90
    19 - 57,76,95
    27 - 54,81
    31 - 62,93
1)M₅={0,5,10,15,20,25,30,35,40}
M₆={0,6,12,18,24,30,36}
M₇={0,7,14,21,28,35}
M₄={0,4,8,12,16,20,24,28,32,36,40}
M₈={0,8,16,24,32,40}
M₉={0,9,18,27,36}
M₁₀={0,10,20,30,40}
M₁₁={0,11,22,33}
M₁₂={0,12,24,36}

2)M₂₀={20,40,60,80}
M₂₅={25,50,75}
M30={30,60,90}
M₂₇={27,54,81}
M₁₃={13,26,39,52,65,78,91}
M₄₀={40,80}
M₁₈={18,36,54,72,90}

3)M₂₄={72,96}
M₅₆={56}
M₃₀={60,90}
M₁₉={57,76,95}
M₂₇={54,81}
M₃₁={62,93}

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