正确、合理、灵活的计算下面各题.(12+13-56)×1.20.25×32×1.2515×7.5+(1-45)÷25235×1.25+114×2.4-125%1516×(78-14)÷12.-数学
题文
正确、合理、灵活的计算下面各题.
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答案
(1)(
=
=0.6+0.4-1, =1-1, =0; (2)0.25×32×1.25, =(0.25×4)×(8×1.25), =1×10, =10; (3)
=
=(7.5+
=10×
=2; (4)2
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题文
正确、合理、灵活的计算下面各题.
|
答案
(1)(
=
=0.6+0.4-1, =1-1, =0; (2)0.25×32×1.25, =(0.25×4)×(8×1.25), =1×10, =10; (3)
=
=(7.5+
=10×
=2; (4)2
|