Question

Efectueaza calculele, folosind ambele procedee de lucru (25+15):5 (16+20):4 (32+16):8 (21 +14):7 (18+36):6 (40+30):10

Answer 1

Răspuns

Explicație pas cu pas:1)Efectuam parantezele rotunde apoi,impartirea! (25+15):5=40:5=8........2) (16+20):4=36:4=9........3)(32+16):8=48:8=6.......4(21+14):7=35:7=5......5)  (18+36):6=54:6=9........6)   (40+30):10=70:10=7...Procedeul II...1)(25:5)+(15:5)=5+3=8......2)  (16:4)+(20:4)=4+5=9.........3(32:8)+(16:8)=4+2=6.......4)    (21:7)+(14:7)=3+2=5.......5)   (18:6)+(36:6)=3+6=9.......6)    (40:10)+(30:10)=4+3=7....O seara super!