简便运算,6.8×16.8﹢19.3×3.2
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![简便运算,6.8×16.8﹢19.3×3.2](/uploads/image/z/189559-55-9.jpg?t=%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%2C6.8%C3%9716.8%EF%B9%A219.3%C3%973.2)
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简便运算,6.8×16.8﹢19.3×3.2
简便运算,6.8×16.8﹢19.3×3.2
简便运算,6.8×16.8﹢19.3×3.2
6.8×16.8+19.3×3.2
=6.8×16.8+16.8×3.2+2.5×3.2
=16.8×(6.8+3.2)+2.5×4×0.8
=16.8×10+10×0.8
=168+8
=176