simplification (1 to 65 yct)

7.892+35-0.005+10.345=

• 53.232
• 52.232
• 23.322
• 0

69696 X 9999 =?

• 696980304
• 666890304
• 696809304
• 696890304

((64×5^4) - (5^4 -16) =?

• 40000
• 35000
• 30000
• 25000

2-[3-{6-(5-4-3+10)}]=?

• -3
• 1
• 2
• 4

0.36+0.284÷ 0.4×0.8-0.038=?

• 0.548
• 0.89
• 1.25
• 1.2