38{#blank#}1{#/blank#}20+18      35+16{#blank#}2{#/blank#}53      38{#blank#}3{#/blank#}58-18

26{#blank#}4{#/blank#}2+60       50{#blank#}5{#/blank#}100-60      30+43{#blank#}6{#/blank#}56+27

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

79－56={#blank#}2{#/blank#}

57＋38={#blank#}3{#/blank#}

82－45={#blank#}4{#/blank#}

5米8米           2厘米40厘米       8米800厘米

4＋3838＋17      83-883-3         25＋3735＋27 

43＋2343－23     5＋2950＋29      56－756-25

55＋16＋25＝                              92－34－9＝                                 67－29＋35＝