能简算的要简算 30.8÷［14－(9.85＋1。07)] = = = = [60－（9.5＋28。9)]÷0。18 = = = = 2.881÷0。43－0。24×3。5 = = = = 20×［(2.44－1.8)÷0.4＋0.15］ = = = = = 28-（3.4+1.25×2。4) = = = 2.55×7.1+2。45×7。1 = = = 777×9+111×3 = = = 0。8×〔15。5—（3.21+5.79)〕= = = （31。8+3.2×4）÷5 = = = = 31.5×4÷(6+3) = = = 0.64×25×7.8+2。2 = = = 2÷2。5+2.5÷2 = = = 194－64。8÷1。8×0。9 = = = 36。72÷4。25×9。9 = = = 5180－705×6 = = = 24÷2。4－2。5×0。8 = = = 1 (4121+2389)÷7 == 671×15—974 = = 469×12+1492 = = 405×(3213—3189） = = 3.416÷（0.016×35) = = 0.8×［（10－6.76)÷1。2] = = = 19。4×6。1×2。3 = = 5.67×0。2—0.62 = = 18.1×0.92+3。93 = = 0.043—0。24+0.875 = = 0.4×0。7×0.25 = = 0.75×102 +100—56.23 = = 0.78+5。436+1 = = 4。07×0。86+9.12.5 = = 30。8÷[14－（9。85＋1.07)］ = = = ［60－(9.5＋28.9）］÷0。18 = = = 2。881÷0.43－0.24×3。5 = = = 20×[(2。44－1。8）÷0.4＋0。15] = = 28-(3。4+1。25×2.4) = = = 2。55×7。1+2.45×7。1 = = = 777×9+1111×3 = = 0.8×〔15。5—(3。21+5.79)〕 2 = = （31。8+3。2×4）÷5 = = 31。5×4÷（6+3) = = 0.64×25×7.8+2.2 = = 2÷2.5+2。5÷2 = = 194－64。8÷1。8×0.9 = = 36。72÷4.25×9.9 = = 5180－705×6 = = 24÷2.4－2.5×0。8 = = （4121+2389）÷7 = = 671×15—974 469×12+1492 = = 405×(3213-3189) = = 3。416÷（0.016×35） = = 0。8×［（10－6。76）÷1.2] = = = 19。4×6。1×2。3 5.67×0.2—0。62 = = = 18。1×0。92+3.93 = = = 0.4×0。7×0.25 = = 0.78+5.436+1 4.07×0。86+9.12。5 = 3 本文来源：https://www.wddqw.com/doc/fc7b47ee866a561252d380eb6294dd88d0d23d35.html