Question

Efectuează. (2+16)÷3-42÷7×(14+4-9×2)=
7+3×(122-111)-21+(154-153)+(3+5×4)=
100-1×(12+12×5)-66÷6-0÷15+6×6-35
6×8+0×6+0÷0+21÷21+23÷1-71=

Answer 1

Răspuns:

Explicație pas cu pas:

( 2 + 16 ) : 3 - 42 : 7 × ( 14 + 4 - 9 × 2 ) = 6

= 18 : 3 - 6 × ( 18 - 18 ) =

= 6 - 6 × 0 =

= 6 - 0 =

= 6

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7 + 3 × ( 122 - 111 ) - 21 + ( 154 - 153 ) + ( 3 + 5 × 4 ) = 43

= 7 + 3 × 11 - 21 + 1 + ( 3 + 20 ) =

= 7 + 33 - 21 + 1 + 23 =

= 40 - 21 + 1 + 23 =

= 19 + 24 =

= 43

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100 - 1 × ( 12 + 12 × 5 ) - 66 : 6 + 0 : 15 + 6 × 6 - 35 = 18

= 100 - 1 × ( 12 + 60 ) - 11 + 0 + 36 - 35 =

= 100 - 1 × 72 - 11 + 36 - 35 =

= 28 - 11 + 36 - 35 =

= 17 + 36 - 35 =

= 53 - 35 =

= 18

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6 × 8 + 0 × 6 + 0 : 0 + 21 : 21 + 23 : 1 - 71 = 1

= 48 + 0 + 0 + 1 + 23 - 71 =

= 48 + 24 - 71 =

= 72 - 71 =

= 1

Impartirea la 0 NU are sens.