人教版六年级数学下册解方程专项训练 (84)

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1 x 6x-0.2= — 8 + 0.7 x= 669.9 — = 183% 9 5

1 4 1 x 3x-0.4= — — x+ — x= 21 — = 185% 9 3 7 2

1 x 7x-0.4= — 6 + 0.2 x= 43.4 — = 97% 4 7

1 7 1 x 6x-0.35= — — x+ — x= 30 — = 73% 9 6 5 2

1 x 4x-0.85= — 4 + 0.6 x= 266.8 — = 186% 7 7 1 4 6 x 9x-0.9= — — x- — x= 21 — = 154% 9 3 7 8

1 x 8x-0.05= — 6 + 0.2 x= 390.6 — = 145% 9 9

1 7 1 x x-0.1= — — x+ — x= 30 — = 108% 4 6 5 5

1 x 3x-0.85= — 4 + 0.9 x= 107.8 — = 195% 2 8

1 5 1 x 8x-0.3= — — x+ — x= 24 — = 92% 7 4 6 3 1 x x-0.1= — 4 + 0.9 x= 102.9 — = 113% 9 7

1 5 1 x x-0.35= — — x+ — x= 12 — = 8% 4 4 3 4

1 x 7x-0.7= — 8 + 0.1 x= 396.9 — = 24% 6 2

1 9 1 x x-0.05= — — x+ — x= 64 — = 191% 9 8 8 2

1 x 2x-0.25= — 6 + 0.7 x= 80.4 — = 193% 7 9 1 8 4 x 2x-0.95= — — x- — x= 35 — = 21% 9 7 5 7

1 x 9x-0.2= — 3 + 0.8 x= 148.2 — = 23% 6 8

1 5 1 x 9x-0.5= — — x+ — x= 32 — = 57% 7 4 8 2

1 x 5x-0.05= — 1 + 0.3 x= 10.4 — = 54% 2 4

1 7 1 x 8x-0.5= — — x+ — x= 48 — = 145% 7 6 8 7 1 x 8x-0.6= — 4 + 0.2 x= 231 — = 92% 7 3

1 9 1 x 6x-0.9= — — x- — x= 32 — = 185% 7 8 4 3

1 x 6x-0.6= — 8 + 0.1 x= 421.2 — = 149% 4 7

1 9 6 x 7x-0.35= — — x- — x= 56 — = 54% 9 8 7 3

1 x 9x-0.95= — 2 + 0.5 x= 235 — = 127% 7 7 1 8 1 x 5x-0.95= — — x+ — x= 49 — = 104% 4 7 7 8

1 x 4x-0.9= — 1 + 0.2 x= 108 — = 153% 2 7

1 9 1 x x-0.05= — — x+ — x= 24 — = 39% 4 8 3 8

1 x 2x-0.35= — 6 + 0.3 x= 459.9 — = 48% 5 6

1 9 2 x 5x-0.7= — — x+ — x= 24 — = 65% 2 8 3 3 1 x 9x-0.65= — 3 + 0.2 x= 6.4 — = 65% 5 8

1 9 2 x x-0.2= — — x+ — x= 24 — = 6% 8 8 3 9

1 x 8x-0.5= — 6 + 0.3 x= 233.1 — = 167% 3 7

1 9 1 x 8x-0.6= — — x- — x= 24 — = 122% 9 8 3 3

1 x 8x-0.2= — 4 + 0.9 x= 264.6 — = 117% 5 7 1 7 7 x 2x-0.35= — — x+ — x= 48 — = 22% 2 6 8 6

1 x 4x-0.25= — 1 + 0.9 x= 3.8 — = 158% 8 5

1 5 1 x 9x-0.2= — — x+ — x= 32 — = 151% 8 4 8 6

1 x 2x-0.95= — 8 + 0.8 x= 862.4 — = 48% 6 6

1 6 1 x 4x-0.75= — — x- — x= 25 — = 1% 4 5 5 7 1 x x-0.5= — 2 + 0.2 x= 202.4 — = 41% 4 6