Odpowiedź :
1
a) 9cm • 11cm = 99cm²
b) 5cm • 8cm = 40 cm²
c) (11cm+5cm) •7cm
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯ = 56cm²
2
d) 8cm • 12cm
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯ = 48cm²
2
1
a) 9cm • 11cm = 99cm²
b) 5cm • 8cm = 40 cm²
c) (11cm+5cm) •7cm
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯ = 56cm²
2
d) 8cm • 12cm
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯ = 48cm²
2