新建一所希望小学,计划投资30万元,实际用去28万元,节约了约______%.
(30-28)÷30
=2÷30
≈6.7%;
答:节约了约 6.7%.
故答案为:6.7.
计算:x4•x5=______.
The boss requested that he _____ there to work.
A.was sent
B.be sent
C.should send
D.would be sent