27+39= 65-18= 90-44= 58+32=
32+15= 45+ 6= 38+ 40 =
79-28 = 96-46= 28+63=
( )
①94-59=
②56+38=
③79-38-23=
④34+17+39=
⑤61-25+48=
⑥82-(16+39)=
①4+27=
②46-29=
③48+25=
④70-26=
⑤71-4-60=
⑥46+20-19=
⑦45-(24-6)=
26+13=
73-17=
69-7=
49+6=
53-24+38=
63+29–35=
5÷0.02= 37.6-25.8= 234÷3= 45×7%=
2.4×2.5= ×5.6= ÷ = + =