34.6＋12.8＝{#blank#}5{#/blank#}12.1－6.6＝{#blank#}6{#/blank#}6.5＋9.8＝{#blank#}7{#/blank#}18.3－5.6＝{#blank#}8{#/blank#}

0.9+2.4={#blank#}1{#/blank#}     0.3+6={#blank#}2{#/blank#}      5.2+0.9={#blank#}3{#/blank#}

1.8+2.9={#blank#}4{#/blank#}     2.5-0.8={#blank#}5{#/blank#}     4.5-2.7={#blank#}6{#/blank#}

3.2-1.4={#blank#}7{#/blank#}     7.5-3.6={#blank#}8{#/blank#}      12.6+2.5={#blank#}9{#/blank#}

2.3+1.8={#blank#}10{#/blank#}     8.6+1.3={#blank#}11{#/blank#}     9.5+4.6={#blank#}12{#/blank#}