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a fost răspuns

calculTi in doua moduri: 3x(15+20)= 2×(11+33)= 4×(3+9+8)=

Răspuns :

Capsunica35
3x(15+20)=3x35=105      3*15+3*20=45+60=105
2*(11+33)=2*44=88          2*11+2*33=22+66=88
4*(3+9+8)=4*20=80          4*3+4*9+4*8=12+36+32=80
3x(15+20)=
3x35=105

3x15+3x20=
45+60=105

2x(11+33)=
2x44=88

2x11+2x33=
22+66=88

4x(3+9+8)=
4x20=80

4x3+4x9+4x8=
12+36+42=80

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