
218+324÷18×5 (488+32×5)÷12 1200-20×18 4500÷(150-40×3) 200-(76+40×3
218+324÷18×5(488+32×5)÷121200-20×184500÷(150-40×3)200-(76+40×3)...
218+324÷18×5 (488+32×5)÷12 1200-20×18 4500÷(150-40×3) 200-(76+40×3)
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(1)218+324÷18×5, =218+18×5, =218+90, =308; (2)(488+32×5)÷12, =(488+160)÷12, =648÷12, =54; (3)1200-20×18, =1200-360, =840; (4)4500÷(150-40×3), =4500÷(150-120), =4500÷30, =150; (5)200-(76+40×3), =200-(76+120), =200-196, =4. |
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