72-({#blank#}1{#/blank#})=2      ({#blank#}2{#/blank#})+4=40      ({#blank#}3{#/blank#})-20=20

80-({#blank#}4{#/blank#})=8      40+({#blank#}5{#/blank#})=58     ({#blank#}6{#/blank#})+25=55

32×3＝         16×4＝           48×2＝           37＋54＝

16×60＝       63÷21＝          53－38＝         102×8＝

①28+54=

②70–25=

③49–25=

④72+17=

⑤36+57=

⑥65–47=

⑦68+29=

⑧92–46=

⑨72–57+16=

⑩36+54–29=

6+30=     8+12=      38-30=     18-9=

89-9=      6+70=      54-50=     6+7=