5.63×6.34+5.63×36.6 简便方法计算
5.63×6.34+5.63×36.6简便方法计算还有(1÷6+4÷6)×12(7.3+6.5)×1/2+6.2×1/2...
5.63×6.34+5.63×36.6 简便方法计算
还有(1÷6+4÷6)×12
(7.3+6.5)×1/2+6.2×1/2 展开
还有(1÷6+4÷6)×12
(7.3+6.5)×1/2+6.2×1/2 展开
2010-05-23
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第一题:
5.63×6.34+5.63×3.66
5.63×(6.34+3.66)
=5.63×10
=56.3
第二题:
(1÷6+4÷6)×12
=[(1+4)÷6]×12
=5/6×12
=10
第三题:
(7.3+6.5)×1/2+6.2×1/2
=13.8×1/2+6.2×1/2
=1/2×(13.8+6.2)
=1/2×20
=10
哦了撒~上面滴都是咱亲手打出来的撒~米有抄袭哈~
(*^__^*) 嘻嘻、
5.63×6.34+5.63×3.66
5.63×(6.34+3.66)
=5.63×10
=56.3
第二题:
(1÷6+4÷6)×12
=[(1+4)÷6]×12
=5/6×12
=10
第三题:
(7.3+6.5)×1/2+6.2×1/2
=13.8×1/2+6.2×1/2
=1/2×(13.8+6.2)
=1/2×20
=10
哦了撒~上面滴都是咱亲手打出来的撒~米有抄袭哈~
(*^__^*) 嘻嘻、
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