4.6+4=                      0.5³=

             1.25×0.7×8=    

1.62＋0.28÷4      9.76÷0.4÷2.5      0.38×7.9－0.38×6.9 

18－3.35－5.65            2.78×0.02＋0.98×2.78               8.5×101

2.5×(7.2×0.4 )={#blank#}1{#/blank#}×({#blank#}2{#/blank#}×{#blank#}3{#/blank#}) 8.8÷1.25÷0.8={#blank#}4{#/blank#}÷({#blank#}5{#/blank#}×{#blank#}6{#/blank#})

5.5×4.6+4.6×4.5=({#blank#}7{#/blank#}+{#blank#}8{#/blank#}) × {#blank#}9{#/blank#} 2.55×0.98={#blank#}10{#/blank#}×{#blank#}11{#/blank#} - {#blank#}12{#/blank#}×{#blank#}13{#/blank#}