Драаасте. Помогите пожалуйста
1) 4,2:6-3[tex] \frac{1}{3} [/tex]·0,3
_______________________
7,5:0,5
2) ((7,8:0,3-3³)+3,1):0,7
1) 4,2:6-3[tex] \frac{1}{3} [/tex]·0,3
_______________________
7,5:0,5
2) ((7,8:0,3-3³)+3,1):0,7
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Answers & Comments
___________ =_____ =____=-___ =-__;
7.5:0.5 15 15 150 50
2) ((7.8:0.3-3^3)+3.1)/0.7=(26-3^3+3.1)/0.7=260/7-3^3/0.7+31/7=37.1/7-3^3/0.7+4.3/7=41.1/7-3^3/0.7=41.1/7-270/7=18/7=2.4/7;