{#blank#}1{#/blank#}〈{#blank#}2{#/blank#}〈{#blank#}3{#/blank#}〈{#blank#}4{#/blank#}〈{#blank#}5{#/blank#}

62+2=       38-6 =       80-8 =      53+10 =      45+54=

37+63 =      72-20 =      36-4=      74+12 =     83-80=

6元8角 –5元3角=              4元2角+3元7角=

4+38{#blank#}1{#/blank#}40+38           76+21{#blank#}2{#/blank#}99-5           67+9{#blank#}3{#/blank#}69+7

5×5{#blank#}4{#/blank#}14+13             2×4{#blank#}5{#/blank#}4×2                6+6+6{#blank#}6{#/blank#}4×6