2019-05-27
|
(大)30×30%=9; (2)z×28%=2; (3)z0%×90%=0.四2; (4)30÷30%=大00; (8)z÷28%=32; (b)b0×(大-40%)=3b; (四)b0÷(大-40%)=大00;(z)4z÷(大+20%)=40; (9)
|
(大)30×30%=9; (2)z×28%=2; (3)z0%×90%=0.四2; (4)30÷30%=大00; (8)z÷28%=32; (b)b0×(大-40%)=3b; (四)b0÷(大-40%)=大00;(z)4z÷(大+20%)=40; (9)
|