(1)5.7×8(2)30.6×10(3)4.9×16《答案》(1)45.6 (2)306 (3)78.4
23.05×10( )23.05×100( )23.05×1000( )《答案》230.5230523050
在□內填入><或1.4× EQ F(89)÷1.5 □ 1 EQ F(710)× EQ F(89)÷ EQ F(32)《答案》<
(1)33.82-12.1( )(2)53.26-31.4( )(3)43.1-22.56( )《答案》(1)21.72 (2)21.86 (3)20.54
在□裡填入><或(1) EQ F(2142) □ EQ F(2021)(2) EQ F(2442) □ EQ F(814)《答案》(1)< (2)
(1)7.4-0.9( )(2)12-0.4( )《答案》(1)6.5 (2)11.6
(1)1.650.85(2)3.8318.4(3)33.262.74《答案》(1)2.5 (2)22.23 (3)36