6+3.4= 9.2-6= + = 1- - =
+ = - = 5- = + - + =
0.9x﹣6.2=10
2.4÷x=4.8
x﹣6.7+3.3=10.2
2.8x﹣x=9.9
3(x+4.8)=16.5
*4.8x﹣1.25×4=4.6
+= ×= -= ÷=
0.18×= 4.7+0.38= 3.2÷0.1= (10﹣)×0=