0.8×[(10－6.76)÷1.2] 18.1×0.92+3.93 0.0430.24+0.875 0.4×0.7×0.25 0.75×102 100-56.23 0.78+5.436+1 4.07×0.86+9.12.5 194－64.8÷1.8×0.9 .（3.2×1.5+2.5）÷1.6 （2）3.2×（1.5+2.5）÷1.6 2.22×9.9...