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a fost răspuns

Calculeaza in mod convenabil
a] 2*6*2 ; 4*2*4 ; 5*3*2 ;5*4*2
b] 43+17+26 ;29+26+24, ;42+49+8.

Răspuns :

Ramona19852007
a) 2 × 6 × 2= 12 × 2=24
4 × 2 × 4=8 × 4=32
5 × 3 × 2=15×2=30
5×4×2=20×2=40 

b)   43+17+26=60 +26=86
      29+26+24=55+24=79
       42+49+8=91+8=99.

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