6.72-3.28-1.72 = how much

6.72-3.28-1.72
=6.72-(3.28+1.72)
=6.72-5
=1.72

How to calculate 6.4 × 3.28 + 4.6 × 3.28-3.28

6.4×3.28+4.6×3.28-3.28
=6.4×3.28+4.6×3.28-1×3.28
=(6.4+4.6-1)×3.28
=10×3.28
=32.8

Simple calculation: 32.8 × 1.6 △ 3.28

32.8×1.6÷3.28
=32.8÷3.28x1.6
=10x1.6
=16

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