32+51+67= 43+55-29= 80-15+6=
34-4+27= 17+48-26= 89-27-42=
4×8= 30-6= 9×5=
48 +21 = 7×7-7=
①24+45+16=
②98-73-15=
③28+72-65=
④80-53+33=
①37+28=
②84-56=
③60-48=
④47+(28-19)=
⑤92-36-29=
⑥73-(45-17)=
×6=48 ×7=56 4×=36 5×=25
4×732 5×940 3×820
6×850 9×760 5×736