列式:;
列式:;
列式:;
列式:。
8π= 9.04-0.49= 0.1×0.5=
60÷6%= 0.43= 4÷ =
× = ÷4÷ ÷4=
10× = ÷3= 1- = 1÷ = ×( + )=
÷ = × = 11÷ = 0× = × ÷ × =
鹏鹏捐了多少本图书?
×3= 5÷ = = =
×12= = ( )×0= =
0.32-0.12= 12÷( )= 2.8× +3= 16.5÷10%=
1993-799≈ 1÷3× = 2.5×7×0.4= ×3÷ ×3=