Question

4. Completeaza:
a) (3+4)×7=(.......×........)+(........×........)
a
b) 5×(8+9)=(........×........)+(........×........)
c) 6×(4+11)=(.......×.......)+(........×........)​

Answer 1

Răspuns:

a) (3+4)×7=(3×7)+(4×7)=21+28=49

b) 5×(8+9)=(5×8)+(5×9)=40+45=85

c) 6×(4+11)=(6×4)+(6×11)=24+66=90

Answer 2

Răspuns:

Explicație pas cu pas:

a)49=3x3+4x4

b)85=2x7+3x10

c)90=3X4+3x11