①4.35×1.02{#blank#}1{#/blank#}4.35               3.98÷1.2{#blank#}2{#/blank#}3.98           0.98×0.98{#blank#}3{#/blank#}0.98

②40.5÷0.8{#blank#}4{#/blank#}40.5                8.24×1{#blank#}5{#/blank#}8.24             3.9÷0.99{#blank#}6{#/blank#}3.9

0.24÷0.6＝      4.2÷0.01＝              70÷0.5＝

0÷9.84＝        0.28×5＋0.72×5＝       10.78×0.75×0＝

36.6÷6=          3.9÷0.39=        7.2÷80=        1-0.99=

6.75+4.35=      0.99÷0.1=      12.5×0.01=      5.4×4×25=