👤

calculeaza prin adunare repetata 2*20,2*14,2*16,2*35,2*30,2*45

Răspuns :

2×20=20 +20=40 2×14= 14+14=28 2×16=16+16=32 2×35=35+35=70 2×30=30+30=60 2×45=45+45=90
2*20=40+2*14=28+2*16=32+2*35=70+2*30=60+2*45=90
Sper că te-am ajutat...!!!