六年级数学下册计算专项练习 一、递等式计算,能简算的要简算,解方程或解比例
70+70×25% (1-20%)×30% 80÷(1-84%) 1 07 x-1 03 x = 10 5
6+4 x = 8 1
3×35%+8
7×35% 815 ×〔56 ÷(79 –13 )〕 15+5÷(38 -18 ) 2
9 34 + 25 x = 910 817 ÷75 + 57 × 917 89 ÷[(12 +23 )÷34 ] 1 58÷ 61-1 57×6 7
8 x + 3
2 x = 12
1 43X- 32X = 65 (98 +1 71 6 ) ×81 +1 71 5 35)3254(32 2 872431)+-( 0
9 x÷5= 1
8 34 + 25 x = 910 3060÷15-2
5×36 0
16+4÷( 83- 41) 1
98+51 03 7X÷ 21 = 53 1- 51X= 54 4
1×4 54 80 ÷( 1 - 84%) 1
3×35%+ 8
7×35% 49 - 41 x = 83 4X÷2= 43 70+ 70×25% 5- 5× 52 +53 [12 —( 34 - 35 ) ]÷710 1 07x -1 03x = 10 5
6+4 x = 8 79 ÷ 115 + 29 × 511 6
3×60%+40%×6 310 120×(1 - 14 + 20%) 2
5 x -1
9 5x -5×25%= 58 260÷(50%÷45 +1) 32×25%×125% 7 83 -(1 83 - 95 ) 1—20%x=0
4 1÷621x 135%× 65 +1
35÷6 6
25% 60×25%+40×25% 0
9 x ÷5=