题文
做种子发芽试验,100粒发芽,25粒没发芽,求发芽率的正确列式为( )
| A.(100﹣25)÷100×100% | B.100÷(100﹣25)×100% |
| C.100÷(100+25)×100% | D.(100+25)÷100×100% |
做种子发芽试验,100粒发芽,25粒没发芽,求发芽率的正确列式为( )
| A.(100﹣25)÷100×100% | B.100÷(100﹣25)×100% |
| C.100÷(100+25)×100% | D.(100+25)÷100×100% |
试题篮
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