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Patrycya7
a fost răspuns

1.2340-[(25x2-48+12:3)+3x(126+5x10:):2] -1945

2.(90-33):19+18x(68-65)+89+3x3

Răspuns :

1. 2340- [(50-48+4)+3x(126+50):2] - 1945 =

2340- [(42+4)+3x176:2] - 1945 =

2340- [46+528:2] - 1945 =

2340- [46+264] - 1945 =

2340- 310- 1945 =

2030-1945=

85


2. (90-33):19+18x(68-65)+89+3x3=

57:19+18x3+89+9=

3+54+89+9=

57+89+9=

146+9=

155


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