Răspuns:
Explicație pas cu pas:
6. a) (0.23+0.495+0.112)x100= 230+495+112=837
b) 3.2x (17.5-12.5+35)+100= 3.2x40+100=128+100= 228
c) (1.4+0.83-0.95)x13-6.8= 1.28x13-6.8= 16.64-6.8=9.84 d) (12.5+7.5) x (31.2x5-124)= 20x(156-124)=20x32=640
