1.8÷0.3={#blank#}1{#/blank#}

3.6×10={#blank#}2{#/blank#}

48÷0.8={#blank#}3{#/blank#}

0.4×10={#blank#}4{#/blank#}

1.4×0.5×0.8＝{#blank#}1{#/blank#}

1.25×2×0.4＝{#blank#}2{#/blank#}

2.5×0.4×1.6＝{#blank#}3{#/blank#}

3.2×1.5×2＝{#blank#}4{#/blank#}

1.2×0.5×0.5＝{#blank#}5{#/blank#}

0.2×0.2×0.2＝{#blank#}6{#/blank#}

210÷7=        12.25-0.5=         -0.5=          0.77+123%=

25×0.4=        - =             × =          + =

3.5×10＝    3.6÷0.9＝    4.2÷7＝    3.6÷12＝    8.7×0＝

1.2×5＝    9.1÷7＝    200×0.5＝    0.7﹣0.35＝    25×1.7×4＝