99×0.99{#blank#}1{#/blank#}99      0.98×9.8{#blank#}2{#/blank#}9.8     460千克{#blank#}3{#/blank#}0.46吨

3.6×0.23{#blank#}4{#/blank#}0.23    4.9{#blank#}5{#/blank#}4.9×1.1      5.2米{#blank#}6{#/blank#}522厘米

8.9×1.01{#blank#}1{#/blank#}8.9           19.6×1.3{#blank#}2{#/blank#}1.96×13

3.7×0.9{#blank#}3{#/blank#}3.7÷0.9        0.7×0.7{#blank#}4{#/blank#}0.7+0.7

57037895707389     152000000010520000

109万1090000         540×36360×54

65°角钝角                 周角2平角