Răspuns:
1. 25/100×(160-15)-8+(24+1)
1/4× 541 -8+25
541/4-8+15
541/4 -32/4+15
509/4+15
509/4+ 60/4
569/4
2.
4×4:8[30+(64:4-1)] -10
4×4:8[30+(16-1)]-10
4×4:8(30+15)-10
4×4:8 ×45-10
16:8×45-10
2×45-10
90-10=80
Sper ca te-am ajutat si nu am strecurat vreo greseala mica