= 1
124.237 + 152 = 122. 237 + 2.237 + 152 = 122.235 + 2.122 + 474 + 152 = 122 .235 + 244 + 474 + 152 = 122 .235 870 : 870 + 235 .122 = 1
ddddddddddddddddddddddeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeooooooooooooooooooooooooooooooo
Tính nhanh:
1.(1374.57+687.86):(26.13+74.14)
2.(124.237-152):(870+235.122)