脱式计算.(能简算的要简算)①44.08-44.08÷5.8② 1 4 + 3 7 + 4 7
脱式计算.(能简算的要简算)①44.08-44.08÷5.8②14+37+47÷4③7.5×23+7.5÷34--④[815-(712-25)]×1514....
脱式计算.(能简算的要简算)①44.08-44.08÷5.8② 1 4 + 3 7 + 4 7 ÷4③7.5× 2 3 +7.5÷ 3 4 --④[ 8 15 -( 7 12 - 2 5 )]× 15 14 .
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①44.08-44.08÷5.8, =44.08-7.6, =36.48; ②
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③7.5×
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=2×7.5, =15; ④[
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