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a fost răspuns

a) [ 0,8 +4 × ( 0,34 × 10 + 1,2:2)] : 0,168

b) 1,5×[6,4+2,2×(3,1 la a doua -4,61)]:2

Răspuns :

Scalambaita
a)[0,8+4×(3,4+0,6)]:0,168=
(0,8+4×4):0,168=
(0,8+16):0,168=
16,8:0,168=100
b)1,5×[6,4+2,2×(9,61-4,61)]:2=
1,5×(6,4+2,2×5):2=
1,5×(6,4+11):2=
1,5×17,4:2=
26,1:2=13,05

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