(米)
56÷8=
9×6=
9÷3=
48+50=
24+6=
8÷8=
18÷3=
63÷9=
理由:
8.9+3.01= 1- + = 1.2×5= 3.8÷0.038=
÷ = 3604÷62≈ 0.62-0.32= 1÷10%=
( - )×24= ×8÷ ×8=