用递等式计算(能简算的请简算)①4.68+14.79+5.32-10.79②2.5×(6.8+6.8+6.8+6.8)③475+238-147×3④49.8+42÷15×4.5⑤0.5×〔21.2÷(4.5+80%)〕⑥(79+13)÷815〕×310.-数学
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用递等式计算(能简算的请简算) ①4.68+14.79+5.32-10.79 ②2.5×(6.8+6.8+6.8+6.8) ③475+238-147×3 ④49.8+42÷15×4.5 ⑤0.5×〔21.2÷(4.5+80%)〕 ⑥(
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