100十进制乘除口算带答案
0.5+X)+X = 9.8÷2 ^ 2(X+X+0.5)= 9.8 25000+X = 6x 3200 = 450+5X+X X-0.8X = 6 12x-8x = 4.8 7.5 * 2X = 15 1.2x = 81.6 X+5.6 = 9.4 52-X = 1.5 = 10.5 12x-9x = 8.7 13(X+5)= 169 2X-97 = 34.2 3.4x-48 = 26.8 42x+25x = 134 1.5(X+1.6)= 3.6 2(X-3)= 5.8 65x+7 3 x÷0.5 = 2.6 x+13 = 33 3-5x = 80 1.8+6x = 54 6.7 x-60.3 = 6.7 9+4x = 40 2x+8 = 16 x/5 = 10 x+7x = 8 9x-3x = 6 6x-8 = 4 5x+x = 9 x-8 = 6 x4/5x = 20 7x-8 = 4 3x-8 = 30 6x+6 = 12 3x-3 = 1 5x-3x = 4 2X+16 = 19 5x+8 = 19 14-6x = 8 15+6x = 27 5-8x = 4 7x+8 = 15 9-2X = 65438