Question

Найдите значение выражений (8,4+1,92)*(1,7-1,5)=   

17,5-3*4,5-1,725=

 

 2,15*(3,9+0,18)*5=

20,3-5,7*(2,4+0,43)=

 

 

Answer 1

1) (8,4+1,92)*(1,7-1,5)=10.32*0.2=2.064
2) 17,5-3*4,5-1,725=17,5-13.5-1,725=4-1,725=2.275
3) ,15*(3,9+0,18)*5=2,15*4.08*5=8.772*5=43.86
4) 20,3-5,7*(2,4+0,43)= 20,3-5,7*2.83=20,3-16.131=4.169