1. 12.50 -3.41+ √81-2 3√64-3-20 +6² 2. 3. (53-2.33 +80)+(3-√64) √5².3+(2³+2-3-3²) + √25-9 5. 2³x3√/27 +4×(5x√36-7×2²)+√512 4×[(25-18+3)+(4x16+V/125)-(35)] 6. 7. 8. 9. 2x343+3x3√729-5x216 ÷ (16+481x4+√4) 0 √(4²+√9) x2-√32 +2√3²-(5x√128 +√32) 2(√49+0)²-38(4³-5√144)][3²-2√121+11-1]​