a)
3cm i 0,7m=70cm
P=3·70=210cm²
b)8cm i 6mm=0,6cm
P=8·0,6=4,8cm²
c)
0,6m=60cm 0,5m=50cm
P=60·50=3000cm²
d)2dm=20cm 2mm=0,2cm
P=20·0,2=4cm²
A)3cm * 0,7m
a=3cm
b =0,7m = 70 cm
P= a*b
P= 3 * 70 = 210 cm²
B) 8cm * 6mm
a= 8cm
b =6 mm = 0,6 cm
P= 8 * 0,6 = 4,8 cm²
C) 0,6m * 0,5
a= 0,6m = 60 cm
b = 0,5 m = 50 cm
P = 60*30 = 3000 cm²
D) 2dm * 2mm a = 2dm = 20 cm
b = 2 mm = 0,2 cm
P = a*b
P = 20*0,2 = 4 cm²
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a)
3cm i 0,7m=70cm
P=3·70=210cm²
b)8cm i 6mm=0,6cm
P=8·0,6=4,8cm²
c)
0,6m=60cm 0,5m=50cm
P=60·50=3000cm²
d)2dm=20cm 2mm=0,2cm
P=20·0,2=4cm²
A)3cm * 0,7m
a=3cm
b =0,7m = 70 cm
P= a*b
P= 3 * 70 = 210 cm²
B) 8cm * 6mm
a= 8cm
b =6 mm = 0,6 cm
P= a*b
P= 8 * 0,6 = 4,8 cm²
C) 0,6m * 0,5
a= 0,6m = 60 cm
b = 0,5 m = 50 cm
P= a*b
P = 60*30 = 3000 cm²
D) 2dm * 2mm
a = 2dm = 20 cm
b = 2 mm = 0,2 cm
P = a*b
P = 20*0,2 = 4 cm²