Question

1 Efectuează. a) 2 135 + 146 b)3 459 + 1 275 c)2 567 +4 683 3 273 - 258 5 354-3 158 7 024 - 4256 95 - (35 + 29) 585 - (223 +39) - 25 (2 300 - 125) + (176 +209)​

Answer 1

Răspuns:

a) 2.135+146=2.281

b)3.459+1.275=4.734

c)2.567+4.683= 7.250

d) 3.273-258=3.015

e) 5.354-3.158=2.196

f)7.024-4.256-(35+29)=2.704

g)585-(223+39)-25=289

h)(2.300-125)+(176+209)=2.560