口算:8.6-4=6.6+1.3=0.7×10=2.8÷100=2.5×7×4=0÷234=0.23+1.77=9-0.1=0.26×100=9.3+4.5-7.3=
4.6÷0.23=______÷233.15÷1.5=______÷15.[50%]
4.6÷0.23=______÷233.15÷1.5=______÷15.
(0.34×2400×0.25+3×3(3/4)+26.25÷(1/3))÷(2/13)+8的值为( )。[50%]
(0.34×2400×0.25+3×3(3/4)+26.25÷(1/3))÷(2/13)+8的值为( )。 A.1832B.1919C.2000 D
(0.34×2400×0.25+3×3(3/4)+26.25÷(1/3))÷(2/13)+8的值为( )。[50%]
(0.34×2400×0.25+3×3(3/4)+26.25÷(1/3))÷(2/13)+8的值为( )。 A.1832B.1919C.2000D.30
:(0.34×2400×0.25+3×3(3/4)+26.25÷(1/3))÷(2/13)+8的值为( )。[50%]
:(0.34×2400×0.25+3×3(3/4)+26.25÷(1/3))÷(2/13)+8的值为( )。 A.1832B.1919C.2000D.30
下列各数:,0,,0.23,,0.303003…,1-中无理数个数为A.2个B...[50%]
下列各数:,0,,0.23,,0.303003…,1-中无理数个数为A.2个B.3个C.4个D.5个
:(0.34×2400×0.25+3×3(3/4)+26.25÷(1/3))÷(2/13)+8的值为( )。[50%]
:(0.34×2400×0.25+3×3(3/4)+26.25÷(1/3))÷(2/13)+8的值为( )。A.1832B.1919C.2000D.3020
直接写得数(1)5.4+8.5=(2)150×6=(3)6.78+0.23≈(4)10-6.5+3...[50%]
直接写得数(1)5.4+8.5=(2)150×6=(3)6.78+0.23≈(4)10-6.5+3.5=(5)0.61×99=(6)6.9×8.1=(7)71.9÷8.9≈(8)3.5+0.78+6.5=
下列各数:π2,9,0.23,cos60°,227,0.30003…,1-2中无理数个..[50%]
下列各数:π2,9,0.23,cos60°,227,0.30003…,1-2中无理数个数为( )A.2个B.3个C.4个D.5个
以葡萄糖为碳源时,大肠杆菌的max为0.23h-1,则其倍增时间为()。[49%]
以葡萄糖为碳源时,大肠杆菌的max为0.23h-1,则其倍增时间为()。这是一个关于碳源 大肠杆菌 发酵工程的相关问题,下面我们来看