①÷9+×
②48×(+-)
③27×
① ÷7+ ×
② ×9+
③( - )×24
④ ÷ ×
⑤ + ÷ ×
⑥ + ×
+×69
()×42
101×
①2.4÷×
②(+﹣)×36
③×99
④29.3﹣12.6﹣7.4
⑤5.9×8.5﹣49×0.85
⑥×[6÷(﹣)]
①12.5×(8+0.8)
②+×
③+÷
④26﹣7.28﹣12.72
⑤5.8×4.1+5.9×5.8
⑥÷(+1.4×)