tính : ( – 40 ) + ( – 450 ) + ( – 60 ) + 450
tìm x : – 240 – x = 40
– 250 + x = 560
50 + x = – 6 – ( 45 – 60 )
x + ( – 25 ) = – 17
– 27 + x = – 45
3 . ( x + 2022 ) = 27
tính : ( – 40 ) + ( – 450 ) + ( – 60 ) + 450
tìm x : – 240 – x = 40
– 250 + x = 560
50 + x = – 6 – ( 45 – 60 )
x + ( – 25 ) = – 17
– 27 + x = – 45
3 . ( x + 2022 ) = 27
Câu hỏi mới
1 bình luận về “tính : ( – 40 ) + ( – 450 ) + ( – 60 ) + 450 tìm x : – 240 – x = 40 – 250 + x = 560 50 + x = – 6 –”