Đỗ Huyền Trang
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2024-11-03 21:37:44
1 Reuse means using something again instead of throwing it away
2 Did your school organise a donation drive last winter?
2024-11-03 21:31:56
1 My mother is fond of going jogging in the morning
2 My sister finds it difficult to lift weights
3 We collected plastic bottles and sent them to the factory
2023-12-14 19:41:35
2023-12-14 19:40:14
a) -127 + 208 - 73 + 92
-127+ (-73) - 208 + 92
= -(127+73) - 300
= -200 - 300
= (-200) + 300
= 100
b) 2353 - ( 473 + 2153) + (-55 + 373)
= 2353 - 473 - 2153 - 55 + 373
= (2353 - 2153) + (473 - 373) - 55
= 200 + 100 - 55
= 300 - 55
= 245