初一数学上册计算题大全207
( -— 6 ) + ( -— 2 ) - (- 7 7 7)
9 —+ (- 1 — ) - ( - 1 —) 8 4 7 (- 0.1) ×—× 1 (- 700) 6 ( -— 1 ) × ( -—-— 1 1 ) × 0 9 2
6 28÷[(-1) 2-(-4)] 30+ (-14) +2-(-11) (-5) 4-52 (-1) 1593
21×[(-3) 2-(-3]
1 9 7 (—+ —) ×(- —) 4 8 6 5-(-29) -5-(-20) 5 2 (—- —) ×(-70) 4 3 (-3) 4-43 (-1) 1384 (-9)×(-13) 5÷(-13) 10-(-19.5) 1 1 (-—) -(-—) 6 5 2+[2-(-15-10)] (-5)3+32 15+8+(-30)+(-24) -2.4-(-3)+(-0.7)-0.6
2 1 1 2 (—+—) +(—+—) 5 2 4 7 4 8 1.9-(-—) -(-8.1) -— 5 5 -(8y-7)
x +2(7+4a)
8m +9(3y+3t) -(8m-y) -5(3y+2a) 1 —(2+4x) -t 5 -4(2c-7ab +6)
1 1 -—(a+b) -—(m+n) 9 4
3(8a-x) -4(m+7q)
-8b +(2b+1)
4b -(9b+5c) -(6c+b)
3(7t+9) +2t 9-(3y-10) +(6y+7) 4(-ab -9a) -(6a+4b) 19(abc+9a) +6(9a+4abc) 6(xy+3z) +(-xy -8z) -9(pq+pr) -(3pq+pr) 5 x 1 —x +—=—
6 4 6 0.5x -0.6=7+1.5x
2 —+ 8x = 6 +— 1 x 3 8 1 — (5x - 9) =— 1 x +2 5 5 y ——=-1 2 -—— y -1 4 5 1 — (1 + 4x) =— 2 (4x - 5) 4 7 9(x -2) -9(x-2) =10 9x -5(10+x) =-1 2.5x - 10(x-2) =40 5(7x+9) =6