6元比4.2元多()元.A.2.2B.4.2C.2.4D.1.8[75%]

6元比4.2元多(  )元。A.2.2B.4.2C.2.4D.1.8

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直接写得数.125×56=4.2×3.2÷2.4=4÷45[73%]

直接写得数.125×56=4.2×3.2÷2.4=4÷45-45÷4=9934+99934=7.37-1.63-2.37=(58+16-112)×24=

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3.6×4.22.4×6.3的○中应是()A.B.<C.=[72%]

3.6×4.22.4×6.3的○中应是(  )A.>B.<C.=

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直接写得数4.6+2.4=7.5-5=0.6÷0.2=2.5×0.4=4÷0.2=4.2÷0..[70%]

直接写得数4.6+2.4=7.5-5=0.6÷0.2=2.5×0.4=4÷0.2=4.2÷0.1=9.2-1.2=0.8×0.4=0.72÷8=0.3×0.3=0.12÷0.4=0.4×100=

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矿灯充电后的电压,如无厂家规定,应取为( )。A.2.2~2.4B.4.8~5C.4.2~4.4[70%]

矿灯充电后的电压,如无厂家规定,应取为( )。A.2.2~2.4B.4.8~5C.4.2~4.4

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A.2.4~2.8
B.2.9~3.3
C.3.4~3.8
D.3.9~4.2[70%]

A.2.4~2.8
B.2.9~3.3
C.3.4~3.8
D.3.9~4.2

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直接写得数.0.3×0.2=2.4×10=4.2÷0.7=9.1÷0.7=0.42-0.07..[70%]

直接写得数. 0.3×0.2=2.4×10=4.2÷0.7=9.1÷0.7=0.42-0.07=15×0.6=0.8-0.35=0.78÷0.3=7.5÷0.15=16-0.9=1.4÷7=0.25×4=3×0.2×0.5=12-6.5-3.5=(1.5+0.25)×4=2.5×4÷2.5×4=

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卧室净高常取()mm。A.2.2~2.4B.2.8~3.0C.3.0~3.6D.4.2~6.0[70%]

卧室净高常取()mm。A.2.2~2.4B.2.8~3.0C.3.0~3.6D.4.2~6.0

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教室净高常取()mm。A.2.2~2.4B.2.8~3.0C.3.0~3.6D.4.2~6.0[70%]

教室净高常取()mm。A.2.2~2.4B.2.8~3.0C.3.0~3.6D.4.2~6.0

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卧室净高常取()mm。A.2.2~2.4B.2.8~3.0C.3.0~3.6D.4.2~6.0[70%]

卧室净高常取()mm。A.2.2~2.4B.2.8~3.0C.3.0~3.6D.4.2~6.0

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