34×0.25{#blank#}1{#/blank#}34

1.24×1{#blank#}2{#/blank#}1.24

1.56×1.5{#blank#}3{#/blank#}1.56

0.987×24.8{#blank#}1{#/blank#}25       35.2×1.24{#blank#}2{#/blank#}3.52×12.4

1.6×0.13{#blank#}3{#/blank#}1.6         35.6÷0.97{#blank#}4{#/blank#}35.6×0.97

123150000{#blank#}1{#/blank#}90780000      2800000000{#blank#}2{#/blank#}28亿      780÷5{#blank#}3{#/blank#}780÷6

40万{#blank#}4{#/blank#} 4000000                  56×380{#blank#}5{#/blank#}590×38        150×30{#blank#}6{#/blank#}15×300

450809万{#blank#}1{#/blank#}4580900000          5000公顷{#blank#}2{#/blank#}5平方千米

680×39{#blank#}3{#/blank#}68×390                26平方分米{#blank#}4{#/blank#}2平方米6平方分米