Question

Va rog exercitiul 2. E urgent.

Answer 1

4,8,9,9,6,9,56,8,3,0,9,7,9,6,7

Answer 2

a × 6 = 24
a = 24 ÷ 6
a = 4

9 × a = 72
a = 72 : 9
a = 8

a × 7 = 63
a = 63 ÷ 7
a = 9

6 × a = 54
a = 54 ÷ 6
a = 9

a × a = 36
a = 36 : 2
a = 6

72 ÷ a = 8
a = 72 ÷ 8
a = 9

a ÷ 7 = 8
a = 8 × 7
a = 56

32 ÷ a = 4
a = 32 ÷ 4
a = 8

a ÷ a = 1
a = 1


0 ÷ a = 0
a = 0

( a ÷ 4 ) + 42 = 51
a ÷ 4 = 51 - 42
a ÷ 4 = 9
a = 9 × 4
a = 36

( 7 × a ) + 21 = 70
7 × a = 70 - 21
7 × a = 49
a = 49 ÷ 7
a = 7

90 - ( 6 × a ) = 36
6 × a = 90 - 36
6 × a = 54
a = 54 ÷ 6
a = 9



24 + (8 × a )= 72
8 × a = 72 - 24
8 × a = 48
a = 48 ÷ 8
a = 6

( 63 ÷ a ) + 36 = 45
63 ÷ a = 45 - 36
63 ÷ a = 9
a = 63 ÷ 9
a = 7









Sper ca te-am ajutat !








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