Question

Calculati in douo moduri 5×(5+4)=
(6+2)×8=
(3+6)×4=
9×(5+3)=
9×(6+3)=

Answer 1

5×(5+4)=
5×9=
45

5×(5+4)=
5×5+5×4=
25+20=
45

(6+2)×8=
8×8=
64

(6+2)×8=
6×8+2×8=
48+16=
64

(3+6)×4=
9×4=
36

(3+6)×4=
3×4+6×4=
12+24=
36

9×(5+3)=
9×8=
72

9×(5+3)=
9×5+9×3=
45+27=
72

9×(6+3)=
9×9=
81

9×(6+3)=
9×6+9×3=
54+27=
81