列方程,求x(1)输入3,乘x加35,输出44.(2)输入x,乘9减1,输出80.(3)输入50,减10加x,输出48.
(66-32×1.2)÷0.25 12.5×(1618-8.4÷0.12)
(7.2-3.15)÷0.6×1.3 96.5×43.5+43.5×28.5-25×43.5
8.1×1.3-8×1.3+1.9×1.3+11.9÷1.36 [(7.6-5.2)÷0.4+2.54]×32
2.9×1.4+2×1.6 (2.44-1.8)÷0.4×20
18.5-(5.2+3.3)÷1.7 (2.5×8)÷(0.1-0.09)