七元二角等于{#blank#}1{#/blank#}元？

6.25米{#blank#}1{#/blank#} 625厘米                   348克{#blank#}2{#/blank#} 0.348千克

2490米{#blank#}3{#/blank#} 1.5千米                   650米{#blank#}4{#/blank#} 6.5千米

8.7元{#blank#}5{#/blank#} 870角                     7.099米{#blank#}6{#/blank#} 7.1米

8角={#blank#}1{#/blank#}元

6分={#blank#}2{#/blank#}元

7×3{#blank#}1{#/blank#}13                4×5－5{#blank#}2{#/blank#}3×5＋5          1小时{#blank#}3{#/blank#}60分

6＋6{#blank#}4{#/blank#}6×6            47＋23{#blank#}5{#/blank#}60                   1米{#blank#}6{#/blank#}90厘米