Simple calculation: 23 × 4 × 8 × 25 What's the formula

Simple calculation: 23 × 4 × 8 × 25 What's the formula


Original formula = 25x4x8x23
=100X8X23
=800X(20+3)
=800X20+800X3
=16000+2400
=18400



Can (25 × 39 + 25 × 61) × 4, (75 × 99 + 75) × 4 be calculated skillfully? If so, how


(25×39＋25×61)×4=[25x(39+61)]x4=(39+61)x(25x4)=10000
,(75×99＋75)×4=[75x(99+1)]x4=(99+1)x75x4=30000



Simple calculation 39 + 61-39 + 61
39+61-39+61


39-39+（61+61）=122



37 * 15 + 21 * 45, how is it simple?


37*15+21*45
=37 x15 +21 x15 x3
=37x15+63x15
=(37+63)x15
=100x15
=1500

Elden Ring Premiere

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