Question

Calculeaza in doua moduri:
(15+9)×10=
100×(23+341)=
1000×(21+314)=
(543-207)×100=
(905-372)×1000=
100×(9230-8103)=
repeda​

Answer 1

Explicație pas cu pas:

(15+9)×10= 24×10=240

100×(23+341)=100×364=36400

1000×(21+314)=1000×335=335000

(543-207)×100=336×100=33600

(905-372)×1000=533×1000=533000

100×(9230-8103)=100×1127=112700

pls coroană