①86+49+351
②132-68-32
③136×101-136
④(33-18)×(24+34)
⑤[285-(79+56)]×8
⑥168-(24×3+62)
①83+6.4+17+3.6
②15.89+14.72-5.89
③43000÷125÷8
④35×[300÷(53-38)]
⑤(125+70)×8
⑥25×36
0.125×16= 1.04×5= 7×12÷7×120=
18.8×20%= ×0.55= 123+﹣123+=
10﹣6.8= ﹣ = 35×1%= 1.25×24= 5× ÷5× =
0.42= 10÷0.02= 5a×7a= 1÷3= 1﹣1÷6=