Question

1、一块地用40％种冬瓜,其余的按3:2种西红柿和茄子,已知冬瓜种了1公顷,茄子种了多少公顷?急

Answer 1

1) 1÷40%×(1-40%)×2/5

=0.6公顷

2) 108÷(20%+25%)×25%

=240×25%

=60页

3) 1÷(1+80%)=55.6%

4) 4.5÷(34.5-4.5)=15%