①42+7×5

②8×(14-6)

③54÷(43-37)

④40-20÷5

⑤(13+27)÷8

⑥18÷2×3

5×8{#blank#}1{#/blank#}37            45÷5{#blank#}2{#/blank#}48÷6            8×3+5{#blank#}3{#/blank#}29

31{#blank#}4{#/blank#}5×6+3          4×9{#blank#}5{#/blank#}4×8              48÷6{#blank#}6{#/blank#}48÷8

39米+43米{#blank#}1{#/blank#}92米               73-28{#blank#}2{#/blank#}5×7

6×8-22{#blank#}3{#/blank#}16+18                  43-27{#blank#}4{#/blank#}15+21

7×8+23{#blank#}5{#/blank#}24+15                 39+30-28{#blank#}6{#/blank#}21+23+15

28厘米+27厘米+38厘米{#blank#}7{#/blank#}1米    35+6+2{#blank#}8{#/blank#}47

口答：他们一共要付(    )元。