數學(14乘以5分之3+5分之2乘以14)乘以七分之二 (8分之7減16分之5)乘以9分之1除以3分之2
題目:
數學(14乘以5分之3+5分之2乘以14)乘以七分之二 (8分之7減16分之5)乘以9分之1除以3分之2
解答:
(14乘以5分之3+5分之2乘以14)乘以七分之二
=(3/5+2/5)x14x2/7
=1x4
=4
(8分之7減16分之5)乘以9分之1除以3分之2
=(14/16-5/16)x1/9x3/2
=9/16x1/9x3/2
=1/16x3/2
=3/32
題目:
數學(14乘以5分之3+5分之2乘以14)乘以七分之二 (8分之7減16分之5)乘以9分之1除以3分之2
解答:
(14乘以5分之3+5分之2乘以14)乘以七分之二
=(3/5+2/5)x14x2/7
=1x4
=4
(8分之7減16分之5)乘以9分之1除以3分之2
=(14/16-5/16)x1/9x3/2
=9/16x1/9x3/2
=1/16x3/2
=3/32
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