199又3/4+299又3/4+399又3/4+499又3/4+1等于多少简便计算

199又3/4+299又3/4+399又3/4+499又3/4+1等于多少简便计算
199又3/4+299又3/4+399又3/4+499又3/4+1等于多少简便计算

199又3/4+299又3/4+399又3/4+499又3/4+1等于多少简便计算
199又3/4+299又3/4+399又3/4+499又3/4+1
=200-1/4+300-1/4+400-1/4+500-1/4+1
=200+300+400+500-1+1
=1400

199又3/4+299又3/4+399又3/4+499又3/4+1
= (199+3/4) + (299+3/4) + (399+3/4) + (499+3/4) + 1
= 199 + 299 + 399 + 499 + 3/4×4 + 1
= 199 + 299 + 399 + 499 + 3 + 1
= 200 + 300 + 400 + 500
= 1400