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/6824fb144731b90d6c85ec3a87c24028915f8515.html