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共3个回答
热心网友
1.31x12.5x8x2
=1.31x(12.5x2)x8
=1.31x25x8
=1.31x200
=262
谢谢,请采纳
热心网友
1.31x12.5x8
=1.31x(12.5x8)
=1.31x100
=131
热心网友
1.31×12.5×8×2
=1.31×2×(12.5×8)
=2.62×100
=262