(1)原式=1570-1070-54
=444 (2)原式=73×(36+63+1)
=7300 (3)原式=35×(70-4×100÷25)
=1890
(4)原式=8.8+1.2+(0.56+3.44)
=14 (5)原式=400-75-(133+67)
=125 (6)原式=24.15-7.86
=13.29
(1)原式=1570-1070-54
=444 (2)原式=73×(36+63+1)
=7300 (3)原式=35×(70-4×100÷25)
=1890
(4)原式=8.8+1.2+(0.56+3.44)
=14 (5)原式=400-75-(133+67)
=125 (6)原式=24.15-7.86
=13.29