0.81+9={#blank#}1{#/blank#}0.36+0.9={#blank#}2{#/blank#}1+0.25={#blank#}3{#/blank#}5.1+0.17={#blank#}4{#/blank#}

63+90={#blank#}5{#/blank#}88÷0.22={#blank#}6{#/blank#}0.78+0.6={#blank#}7{#/blank#}1.1x99+1.1={#blank#}8{#/blank#}

4.8+32.56{#blank#}1{#/blank#}48.2+23.4        18.45-2.4{#blank#}2{#/blank#}9.5+8.9

54.86-4.35{#blank#}3{#/blank#}12.46+15.84      2.46+4.87{#blank#}4{#/blank#}14.85-7.52

10千克＋4千克650克={#blank#}1{#/blank#}千克

42×50=           0.6-0.37=           5.6÷100×10=           - =

25×8=             0.85+4.7=            1-0.06=                 + =