Question

a) 9 dam +60 m=.......m
4 hm +5 dam =.......dam
9 hm+63 dam =......cm
75 dam +130 km=.......m
430m+60m=........dam


b)72 dam -140 m =....m
9 km -9 hm =....dam
1870 dam -21 hm =......hm
630 cm+120mm=.......mm
570 m-1600dm =.....cm
21 km -18 dam =.......dm
REPEDE DA U COROANA

Answer 1

a)
9 dam +60 m=.......m 
= 90 m + 60 m =
= 150 m 
_________________
4 hm +5 dam =.......dam
= 40 dam + 5 dam =
= 45 dam 
__________________
 
9 hm+63 dam =......cm
= 90 000 cm + 63 000 cm =
= 153 000 cm 
____________________

75 dam +130 km=.......m
= 750 m + 130 000 m =
= 130 750 m 
__________________

430 m+60 m=........dam
= 43 dam + 6 dam =
= 49 dam 
________________


b)
72 dam -140 m =....m
= 720 m - 140 m =
= 580 m 
_________________

9 km -9 hm =....dam 
= 900 dam - 90 dam =
= 810 dam 
___________________

1870 dam -21 hm =......hm
= 187 hm - 21 hm =
= 166 hm 
______________________

630 cm+120 mm=.......mm
= 6 300 mm + 120 mm = 
= 6 420 mm 
------------------------------------

570 m-1600 dm =.....cm 
= 57 000 cm - 16 000 cm =
= 41 000 cm 
_____________________

21 km -18 dam =.......dm
= 210 000 dm - 1 800 dm =
= 208 200 dm