第 1 页(共 3 页)有理数加法计算题11.75 +(6 )+3 +(1 )+2 2 ( 1.5)+4 +2.75+( 5 )325.7 +(7.3 )+( 13.7)+7.3 4 531+ (102)+(+39)+(+102)+(31)6 (1 ) (7 ) +(4)+(+9)+(5)(2)+( )+第 2 页(共 3 页)(3)5(4)(9 ) +15(5) (18 ) +(+53 ) +( 53.6)+(+18 )+( 100)7 (1 )5.6 +( 0.9)+4.4 +(8.1 )+(0.1 )(2)0.5 +(3 )+(2.75)+(+7 )(3)1 +(1 )+ +(1)+(3 )(4) +( )+( )+( )+( )第 3 页(共 3 页)(5) (0.8 )+1.2+(0.7 )+( 2.1)+0.8 +3.5(6) (1 )+(6 )+(2.25 )+ 8计算(1) (2.4 )+(3.7)+(4.6 )+5.7(2) ( )+13+( )+179 ( 3.14)+(+4.96 )+(+2.14 )+(7.96) 10. (2 )+(+5)+(3 )+(+1.125 )+(+4 )