①2.4÷×
②(+﹣)×36
③×99
④29.3﹣12.6﹣7.4
⑤5.9×8.5﹣49×0.85
⑥×[6÷(﹣)]
0×5.16= 9.8+2.6= 502-399=
÷4= × = 20×5=
①12.5×(8+0.8)
②+×
③+÷
④26﹣7.28﹣12.72
⑤5.8×4.1+5.9×5.8
⑥÷(+1.4×)
①8.59﹣4.13﹣0.87
②125×32×0.25
③
④
213+199= 52-0.8= 12.5××0.08= 101×45=