101×25={#blank#}1{#/blank#}

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#}

2.1+0.2=       0.3+0.7=        3.6+1.6=          7.5-0.5=

2.13-0.02=     3.51+0.2=       102.03+5.3=       1.12-1.02=

4.5-0.01=      3.7-0.9=          0.9-0.32=         1.38-0.28=

28.7缩小 是{#blank#}3{#/blank#}，缩小 是{#blank#}4{#/blank#}.

4.5扩大100倍后再缩小 是{#blank#}5{#/blank#}.

⑴（0.2+6.37÷0.7）×0.5         ⑵88×0.125            ⑶3.96÷1.25÷8