Polski
mikuś786
2017-06-26 02:02:34
a) na milimetry kwadratowe:1 cm2, 7 cm2, 2,5cm2,0,9 cm2, 1,25 cm2 b) na centymetry kwadratowe:1 dm2, 4,5 dm2, 6 m2, 5,4 m2, 30 dm2
Odpowiedź
moniczka108
2017-06-26 05:45:50

a) 1 cm² = 100 mm² 7 cm² = 700 mm² 2,5 cm² = 250 mm² 0,9 cm² = 90 mm² 1,25 cm² = 125 mm² b) 1 dm² = 100 cm² 4,5 dm² = 450 cm² 6 m² = 60 000 cm² 5,4 m² = 54 000 cm² 30 dm² = 3000 cm² Liczę na naj <3

Konto usunięte
2017-06-26 05:47:05

Witaj :) [a] [latex]1cm^{2}=100mm^{2}[/latex] -------------------------------------------- [latex]7*100=700[/latex] [latex]7cm^{2}=700mm^{2}[/latex] -------------------------------------------- [latex]2,5*100=250[/latex] [latex]2,5cm^{2}=250mm^{2}[/latex] ----------------------------------------------- [latex]0,9*100=90[/latex] [latex]0,9cm^{2}=90mm^{2}[/latex] ------------------------------------------------ [latex]1,25*100=250[/latex] [latex]1,25cm^{2} = 125mm^{2}[/latex] [b] [latex]1dm^{2}=100cm^{2}[/latex] ------------------------------------------- [latex]4,5*100=450[/latex] [latex]4,5dm^{2}=450cm^{2}[/latex] -------------------------------------------- [latex]6*10000=60000[/latex] [latex]6m^{2}=60000cm^{2}[/latex] ------------------------------------------- [latex]5,4*10000=54000[/latex] [latex]5,4m^{2}=54000cm^{2}[/latex] --------------------------------------- [latex]30*100=3000[/latex] [latex]30dm^{2}=3000cm^{2}[/latex] Mam nadzieję, że pomogłam.

Dodaj swoją odpowiedź