444 + 6 =
180 + 70 =
500 + 130 =
160 + 20 =
310 + 50 =
7800 + 600 =
430 + 90 =
280 + 70 =
460 + 60 =
3000 + 4000 =
360 + 90 =
180 + 70 =
500 + 130 =
160 + 20 =
310 + 50 =
7800 + 600 =
430 + 90 =
280 + 70 =
460 + 60 =
3000 + 4000 =
360 + 90 =
答案:
在括号里填上合适的数。
400 mm = ( )dm
16 m = ( )dm
6 dm = ( )cm
9 km = ( )dm
800 cm = ( )m
4000 m = ( )km
300 cm = ( )dm
7 dm = ( )mm
800 mm = ( )cm
9 cm = ( )mm
400 mm = ( )dm
16 m = ( )dm
6 dm = ( )cm
9 km = ( )dm
800 cm = ( )m
4000 m = ( )km
300 cm = ( )dm
7 dm = ( )mm
800 mm = ( )cm
9 cm = ( )mm
答案:
想一想,填一填。
480 < ( ) + 200 < 610,括号中最大填( ),最小填( )。
770 > ( ) - 200 > 610,括号中最大填( ),最小填( )。
480 < ( ) + 200 < 610,括号中最大填( ),最小填( )。
770 > ( ) - 200 > 610,括号中最大填( ),最小填( )。
答案:
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