Question

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Answer 1

Răspuns:

Explicație pas cu pas:

h)

( 1 500 - 12 × 100 ) : 25 + 4 × 18 =

= ( 1 500 - 1 200 ) : 25 + 72 =

= 300 : 25 + 72 =

= 12 + 72 =

= 84

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i)

( 500 - 168 : 3 + 276 : 2 : 3 ) + 700 =

= ( 500 - 56 + 138 : 3 ) + 700 =

= ( 444 + 46 ) + 700 =

= 490 + 700 =

= 1 390

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j)

73 × ( 108 : 9 - 90 : 9 ) + 405 : 9 =

= 73 × ( 12 - 10 ) + 45 =

= 73 × 2 + 45 =

= 146 + 45 =

= 191

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k)

( 300 × 10 : 4 + 28 × 25 : 7 ) : 10 =

=( 3 000 : 4 + 700 : 7 ) : 10 =

= ( 750 + 100) : 10 =

= 850 : 10 =

= 85

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l)

144 - ( 24 : 8 + 24 × 3) : 5 + 1 =

= 144 - ( 3 + 72 ) : 5 + 1 =

= 144 - 75 : 5 + 1 =

= 144 - 15 + 1 =

= 129 + 1 =

= 130