5.5×8.2+1.8×5.5 8.4×6.9÷(6.44-4.14)
0.67×99+0.67 4.8÷2.5÷4
0.9+1.25×0.9×8 [0.5×(2-1.75)]×1.6
(7.35+7.35+7.35+7.35)×12.5
⑴19.5-1.9-2.9-3.9 ⑵1.25×5.7×3.2
⑶94.5÷(28-5.5)+7.8 ⑷[7.36-0.3×(10.5+4.7)]÷4
0.5×1.6×12.5 23.5×4.6+2.35×54 18.9-7.5÷(0.44+1.06)
32.4+2.5÷0.4
5.4×2.7+7.3×5.4
12.5×88
3.6÷[(8.1+1.9)×0.2]
16.9+1.05÷0.7 8.5×5.67-7.5×5.67 63÷(4.86+5.64)×0.4
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=