45-45除以7等于几

45+49除以7等于几

45+49除以7等于几...45+49除以7等于几

45+42除以7等于几

45+42除以7等于几...45+42除以7等于几

45-35除以7等于几

45-35除以7等于几...45-35除以7等于几

45-04除以7等于几

45-04除以7等于几...45-04除以7等于几

47+45除以5等于几

47+45除以5等于几...47+45除以5等于几

45+56除以7等于几

45+56除以7等于几...45+56除以7等于几

45-72除以4等于几

45-72除以4等于几...45-72除以4等于几

45-14除以7等于几

45-14除以7等于几...45-14除以7等于几

45+28除以7等于几

45+28除以7等于几...45+28除以7等于几

45-45除以45等于几

45-45除以45等于几...45-45除以45等于几