Answers

2014-01-09T15:43:35+08:00
5x(6x1)=5x__6____=__30____
(3x1)x(4x0)=___3__x 0 =___0___
8x(6x0)=8x__0____=___0____
(1x7)x0=___7____x0_______=__0_____
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