甜甜有17块月饼，有5块是豆沙馅儿的，送给奶奶9块。{#blank#}1{#/blank#}?

选下面哪个问题，列式为17-5=12(块)?

①甜甜还剩几块

②有几块不是豆沙馅儿的

19－9＋7＝{#blank#}1{#/blank#}

12＋3－4＝{#blank#}2{#/blank#}

17＋2－5＝{#blank#}3{#/blank#}

10＋6＋2＝{#blank#}4{#/blank#}

19－5－2＝{#blank#}5{#/blank#}

16＋2－2＝{#blank#}6{#/blank#}

10 – 8 + 9 =       16 + 3 – 5 =       19 – 4 – 3 =

18 – 6 – 2 =      19 – 9 – 7 =       2 + 7 + 8 =

9+6=     2+9=       8+7=      6-2+8=       7+4-1=

10-6=     5+7=      15-4=       8-4+9=      7+9-1=

18-10=    9+9=      10+8-3=    15-10+6=    16-10+7=

2+4+4=                   18-8-3=               9-5+8=

7+9-6=                   10-3+9=               6+8+4=

14-4-5=                   8+7-5=                9+4-2=