有理数加减乘除混合运算练习题(-1275420361)×(- 15×4)73187(- 2.4 ) 2 ÷(-73 )×74 ÷(- 5 71 )[15 21 -(1 41 ÷1 52 +3 21 )]÷ ( - 1 81 )51 ×(-5 )÷(- 51 )× 5 -( 31 -211+ 143 - 72 )÷( - 421 )-13× 32 -0.34 × 72 + 31 ×(- 13)-75 ×0.34 8-(- 25)÷(- 5)(-13 )×( -134 )× 131 ×( -671 )(-487 )-(-5 21 )+(-4 41 )-381(-16-50+352 )÷(- 2)(-0.5 )- (-341 )+6.75-521178-87.21+43212 +53 2119 -12.79 (-6 )×(-4)+(-32)÷(-8)-3 - 72 -(-21 )+ | -1 21 | (-9 )×(-4)+ (-60)÷12 [( - 149 ) - 1 75 + 218 ] ÷(-421 ) - | -3 | ÷10- (-15 )× 31-43 ×( 8-2 31 -0.04 )-1 53 ×(327 - 165 )÷ 2 21(2 31 -321 +1 1817 )÷( -161 )×( -7 )每日一练(一)姓名 _____________ 一、 计算。180- (-10 )= (-10 )+(-1 )= (-25 )+(-7 )= (-13 )+5= (45)+(-45 )= (-8 )+(-9 )= 3-5= 3-(-5 )= (-3 )-5= (-3 )- (-5 ) = 9-(-11 )= 0- (-7 )= 33- (-27 )= )31(214125.2)43(41(-4 )× 5= (-5 )×( -7 )= (-15 )÷( -3 )= (-0.75 )÷ 0.25= 5÷( -51 )= 二、 计算。1、)31328()43( 2、)4()81()2(1633、(-378 )÷( -7 )÷( -9 ) 4、( -4 )×( -5 )×0.25 5、36)1816191( 6、4.7-3.4-(-8.5 )7、5.1)21(7每日一练(二)姓名 ____________ 一、 计算。-7+28= 31+()=-85 ()- (-21 )=37 (-17 )+21= (-12 ) +25= (-28 )+37= -2.5+ (51 )= 5271)31(21(-8 )× 1.25= )98()163(75314)71(215(-1 )÷( -1.5 )= )12(74二、 计算。1、( -25 )+34+156+(-65 ); 2、(-64 )+17+(-23 )+68;3、(-72 )-(-37 )-(-22 )-17 ; 4、33.1-(-22.9 )+( -10.5 )5、(-2.1 )×( -2.3 )×253 ; 6、(-0.75 )÷45 ÷( -0.3 );每日一练(三)姓名 ____________ 一、计算(直接写得数)。1、(– 3)+(– 9)= 2、85+(+15)= 3、(– 361 )+(– 332 )= 4、(– 3.5 )+(– 532 ) = 5、( ...