Question

calculati: a) 2,5×3+10×0,55-5:2= b) 4,63-2,18 :2 +3,1 ×2,3= c) 5,76:2,4+0,02:0,01-0,45×4= d) 8,25-7,38+12:0,03-400,87=

Answer 1

a) 7,5+5.5-2.5=13-2.5=11,5
b) 4,63- 1,09+7,13=12,85
c)2,4+2-1,8=2,6
d)0,87+400-400,87=0