1- =
2- =
0.01+10.099= 4.31×0.7= 7.5- 2.5= 5.4+1.89+4.6=
0.56+4.44= 2.9+3.7+2.1= 4×0.25= 1.25×5×8=
7.6×8+2.4×8= 7.2÷4 =
3x-= x+= +-x=
1÷=
45×=
÷4=
- = + = 9.3-6.87= 12.5×8= 8-( + )=
3+ = 4- = - = -0.375= 3.68+ -0.68=
4÷3= + = - = 4.5×99+4.5=
1- = 0.72÷0.6= 3.1-1.82= 3.2×4÷3.2×4=
4 0 7 0