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

{#blank#}1{#/blank#}<{#blank#}2{#/blank#}<{#blank#}3{#/blank#}<{#blank#}4{#/blank#}

0.426{#blank#}1{#/blank#}0.5            12.03{#blank#}2{#/blank#}12.3              2.54{#blank#}3{#/blank#}2.45

8.07{#blank#}4{#/blank#}8.009         10.378{#blank#}5{#/blank#}10.369         0.19{#blank#}6{#/blank#}1.9