1) 1,5*4,8+1,5*5,2=1,5*(4,8+5,2)=1,5*10=15
а) -15
б)
3) 3,2*3,5+3,5*6,8=3,5*(3,2+6,8)=3,5*10=35
а) -35
2) 5,2*9,8-3,8*5,2=5,2*(9,8-3,8)=5,2*6=31,2
a) -31,2
4) 16,4*15,3-16,4*5,3=16,4*(15,3-5,3)=164
а) -164
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Answers & Comments
1) 1,5*4,8+1,5*5,2=1,5*(4,8+5,2)=1,5*10=15
а) -15
б)
3) 3,2*3,5+3,5*6,8=3,5*(3,2+6,8)=3,5*10=35
а) -35
б)
2) 5,2*9,8-3,8*5,2=5,2*(9,8-3,8)=5,2*6=31,2
a) -31,2
б)
4) 16,4*15,3-16,4*5,3=16,4*(15,3-5,3)=164
а) -164
б)