①8(x﹣6.2)=41.6
②15.8﹣ +14.2﹣
③0.125×76+12.5%×24
④ x+ x=30
⑤
⑥
2.75×7.6+6.25×7.6+7.6 ×13- ()÷
① ×58﹣58×
②525+450÷15
③200﹣12.8﹣7.2
④24÷ ×( ﹣ )
⑤2.5×1.25×0.8
⑥ ×[ +( ﹣25%)]
①12.5×(8+0.8)
②+×
③+÷
④26﹣7.28﹣12.72
⑤5.8×4.1+5.9×5.8
⑥÷(+1.4×)