脱式计算(能简算的要简算)
2.5×7.1×4 16.12×99+16.12
5.2×0.9+0.9×4.8 26×15.7+15.7×24
2.7×9.9 6.4×10.1
0.25×[(2.8+4.4)÷1.2] [32﹣(1.95﹣1.95)]÷1.6.
脱式计算(能简算的要简算)
2.5×7.1×4 16.12×99+16.12
5.2×0.9+0.9×4.8 26×15.7+15.7×24
2.7×9.9 6.4×10.1
0.25×[(2.8+4.4)÷1.2] [32﹣(1.95﹣1.95)]÷1.6.