①1.28+2.72=       1-0.9=           0.32÷0.8=       0.8×5=

②0.9×0.1=         3.11＋2.22=      10+0.37=       12.5＋12.5×7=

③0.25×4=          0.16×4=

4.7×1.02{#blank#}1{#/blank#}4.7       3.4×4{#blank#}2{#/blank#}3.4×2           7.6×12{#blank#}3{#/blank#}76×1.2

0.48×0.9{#blank#}4{#/blank#}0.48      2.85÷0.6{#blank#}5{#/blank#}2.85×0.6     3.76×0.8{#blank#}6{#/blank#}0.8×3.76

12.08×{#blank#}1{#/blank#}＜120              5.11×{#blank#}2{#/blank#}＜50

0.44×{#blank#}3{#/blank#}＜4                 16.81×{#blank#}4{#/blank#}＜33.62