①75.6×27﹣170×7.56
②
③
④
0.4×8=
7.3-2.3=
3.6÷9=
0.01+0.9=
0.07×100=
1.5×6=
24×5= + = 4﹣1.6= 3.14×32=
25×4+25×4= 0+ = +7= × =
2.7+5.4= ﹣ × =
①125+75÷5
② ÷7+ ×
③18.86﹣5.29﹣4.71+1.14
④0.25×32×12.5
⑤ ÷[( + )× ]
⑥15×( + )×17