( )个( )相加
加法算式:( )+( )+( )+( )=( )
乘法算式:( )×( )=( )或( )×( )=( )
①26+34+18
②87-63+28
③69-12-45
④37-(48-36)
⑤26+45-39
⑥78-(24+17)
90-54=
38+44=
90-47=
37+46-54=
86-(52-28)=
56÷8=
9×5=
6÷6=
5×7=
1×8=
8×3=
42÷7=
47+15=
□○□=□
×6=48 ×7=56 4×=36 5×=25
4×732 5×940 3×820
6×850 9×760 5×736
9+=14 14-9=
9+=17 17-9=
9+=15 15-9=