13.65+32.47+17.52=

78.14﹣31.43﹣18.57=

143﹣15.28﹣84.72=

53.27﹣8.4﹣3.27﹣1.6=

（13.1﹣9.28）﹣（4.5﹣2.74）=

56.65﹣（13.22+16.65）=

四成五＝{#blank#}1{#/blank#}%                      八八折＝{#blank#}2{#/blank#}%

×75%＝{#blank#}3{#/blank#}                        24×5%＝{#blank#}4{#/blank#}

×0.4＝{#blank#}5{#/blank#}                          45÷ ＝{#blank#}6{#/blank#}

0.2÷20%＝{#blank#}7{#/blank#}                    10÷10%＝{#blank#}8{#/blank#}

①0.125×0.25×32

②7×13×（ - ）

③ ÷[（ + ）× ]

④ × + ÷

⑤8.05-375%-

⑥6.6×12+0.8×66