(1)原式=0.67+4.32
=4.99 (2)原式=4.2÷0.3
=14 (3)原式=5.5×0.25×(1+0.4)
=1.925
(4)原式=1.25×8×2.47
=24.7 (5)原式=27×(10+0.2)
=275.4 (6)原式=4.8×(3.8+6.2)
=48
(1)原式=0.67+4.32
=4.99 (2)原式=4.2÷0.3
=14 (3)原式=5.5×0.25×(1+0.4)
=1.925
(4)原式=1.25×8×2.47
=24.7 (5)原式=27×(10+0.2)
=275.4 (6)原式=4.8×(3.8+6.2)
=48