六年级下册脱式计算和解方程专项练习题数学试卷
6÷ - ÷6 × ÷( - ) ×3.2+5.6×0.5+1.2×50% [ -( + )]÷
99× 11.58-(7 +1.58) 84×( - ) +( + )× ÷ + ×8 ( - × )÷ 4-( + )× ÷( + × ) (
方程专项练习
X- 27 X= 2X + 25 = 35 70%X+20%X= 3.6 25% + 10X =
X - 15%X = 6 8X+ X=12 15X-3× = X÷ =12
6X+5 =13.4 X÷ = X+ X=
4X-6× =2 X = × x + x = 4 X-21× =4
6X+5 =13.4 X=
X÷ = X÷ =12 X= × =30%
X+ X=42 X+ X=105 X- X=400 =
X+37 X=18 x-0.375x= X- X=12 5 X-2.4×5=8
23 (x- 4.5) = 7 12 x- 25%x = 10 x- 45 x -4= 21 X+25%X=90
X-37 X= 89 X+ X=21 X+ X= X+ X=
X- X= 2X- X=
8X+ = :X= +2X= 5X- = X- X=1 X+ X=