2.4+5=
32×20=
93÷3=
29+35×0=
32×2÷8=
0÷7=
240×2=
32×2=
840÷4=
8.9-5.6=
①75.6×27﹣170×7.56
②
③
④
×12= -= 100×50%= 0.32= 5﹣0.99=