Question

Pls helppp dau coroana ​

Answer 1

Răspuns:

R:21,3

Explicație pas cu pas:

1,5×{3+3,2×[100×0,01+5/2×(14-6/5:0,1)]}-1,(3):0,(1)=

1,5×{3+3,2×[1+5/2×(14-6/5:1/10)]}-1 3/9:0 1/9=

1,5×{3+3,2×[1+5/2×(14-6/5×10)]}-1 1/3×9/1=

1,5×{3+3,2×[1+5/2×(14-12)]}-(4/3)×9=

1,5×[3+3,2×(1+5×2/2)]-4×3=

1,5×(3+3,2×6)-12=1,5×(3+19,2)-12=

1,5×22,2-12=33,3-12=21,3