Răspuns:
a) 3,75-8+4,97+1,728=2,448
b) 15,6+153-10=158,6
c) 13/4 x 21/8 - 31/2 : 15/4 + 56/9 x 9/23 - 1 = 273/32 - 62/15 + 56/23 - 1
d) (4115-41)/15 x 99 - (1312-13) x 100x100 = 4074/15 x 99 - 1299 x 10000
Explicație pas cu pas: