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 )=