递等式的简便计算(算式要合理的)75x16 146x31÷73x75 1248÷96x24 96x15÷9(45x16)= = = == = =
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递等式的简便计算(算式要合理的)75x16 146x31÷73x75 1248÷96x24 96x15÷9(45x16)= = = == = =
递等式的简便计算(算式要合理的)
75x16 146x31÷73x75 1248÷96x24 96x15÷9(45x16)= = = == = = =
递等式的简便计算(算式要合理的)75x16 146x31÷73x75 1248÷96x24 96x15÷9(45x16)= = = == = =
86×128—86×29+86 =86×128-86×29+86×1=86×(128-29+1)=86×100 =8600 86×128—86×29+86 =86×(128-29+1) =86×100
75x16
=75*4*4
=300*4
=1200
146x31÷73x75
=62*75
=4650
1248÷96x24
=104/8*24
=104*3
=312
96x15÷9(45x16)
=96*/[9*3*16]
=2/9