①2.56÷8÷1.25
②6.9×3.1+3.1×3.1
③5.2﹣1.28﹣0.72
④4×2.5÷0.08
⑤3.5×1.2﹣4.12
⑥5.8+2.4×0.15
(7.5+2.5×2)×1.4 1.25×3.48×0.08÷0.1
8.7+1.3-0.65+0.35 3.7×10.3-3.7×0.3
8.8×3.7+6.3×8.8
(7.6﹣3.6÷2)×1.5
4.4×2.5
0.25×3.2×12.5
10.6×55.4﹣55.4×0.6
3.7×10.2
1.2÷0.75+18.4
27.5÷2.5÷0.4
(30﹣19.8)÷0.5+31.2
①836-192÷8×16
②1.4÷(1.4+0.7)
③0.8×0.4×12.5×0.25
④ ÷6+ ÷20
⑤14×19×( + )
⑥ ÷[( + )÷ ]
(10.64﹣3.6)×2.5÷0.4=( )
- = 10-1.05= 32÷24×0= 7.18×99+7.18=