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/3fe1b434edfdc8d376eeaeaad1f34693daef1097.html