Question

va rog ajutatima : 284:2+68-39x0,,, 6+81:9x9-9+199-199x1,,,,, 18x10:6+80-60:8+238:7..... 72x3-80:2+248:2-120-138:27.... 125+80:2x2-408:2... 425x2+308x2:2+139..... 820-148x3:2:2-139.... (230+28x2:4+56):100-2..... 898-605-25x2+168:3x2-189... 639:3+(146x4-824:8)x2-269.....(246+424:2:4-636:6-125):2... 1000-148x3:2+68x8-164..

Answer 1

A).284:2+68-39x0=142+68-0=210-0=210
B).6+81:9x9-9+199-199x1=6+9x9-9+199-199=6+81-9+0=87-9+0=78+0=78
C).18x10:6+80-60:8+238:7=180:6+80-60:8+34=30+80-60:8+34=110-7,5+34=110-41,5=68,5
D).72x3-80:2+248:2-120-138:27=216-40+124-120-5,(1)=176+124-114,9=300-114,9=185,1
E).125+80:2x2-408:2=125+40x2-204=125+80-204=205-204=1
F).425x2+308x2:2+139=850+616:2+139=850+308+139=1158+139=1297
G).820-148x3:2:2-139=820-444:2:2-139=820-222:2-139=820-111-139=709-139=570
H).(230+28x2:4+56):100-2=(230+56:4+56):100-2=(230+14+56):100-2=(244+56):98=300:98=3,06122489795918 ((astai raspunsul))