1.25✖️8.06➖0.06简便运算?
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1.25x8.06一0.06
=1.25(8十0.06)一0.06
=1.25X8十1.25x0.06一0.06
=10十0.06(1.25一l)
=10十0.06x0.25
=l0一0.015
=9.985
=1.25(8十0.06)一0.06
=1.25X8十1.25x0.06一0.06
=10十0.06(1.25一l)
=10十0.06x0.25
=l0一0.015
=9.985
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